Home / 18,954.05-26,157.74-10,456.19

Finding the Fourth Proportional to 18,954.05, 26,157.74 and 10,456.19

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Solution

The fourth proportional to 18,954.05, 26,157.74 and 10,456.19 is: 14,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.05 : 26,157.74 = 10,456.19 : x
  2. Step 2: Convert to fraction form
    18,954.05/26,157.74 = 10,456.19/x
  3. Step 3: Cross multiply
    18,954.05x = 26,157.74 × 10,456.19
  4. Step 4: Simplify right side
    18,954.05x = 273,510,214.43
  5. Step 5: Solve for x
    x = 273,510,214.43/18,954.05
  6. Step 6: Final answer
    x = 14,430.17

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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.