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Finding the Fourth Proportional to 18,995.68, 26,212.68 and 10,497.70

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Solution

The fourth proportional to 18,995.68, 26,212.68 and 10,497.70 is: 14,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.68 : 26,212.68 = 10,497.70 : x
  2. Step 2: Convert to fraction form
    18,995.68/26,212.68 = 10,497.70/x
  3. Step 3: Cross multiply
    18,995.68x = 26,212.68 × 10,497.70
  4. Step 4: Simplify right side
    18,995.68x = 275,172,850.84
  5. Step 5: Solve for x
    x = 275,172,850.84/18,995.68
  6. Step 6: Final answer
    x = 14,486.08

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.