Home / 19,008.45-26,231.49-10,511.10

Finding the Fourth Proportional to 19,008.45, 26,231.49 and 10,511.10

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Solution

The fourth proportional to 19,008.45, 26,231.49 and 10,511.10 is: 14,505.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.45 : 26,231.49 = 10,511.10 : x
  2. Step 2: Convert to fraction form
    19,008.45/26,231.49 = 10,511.10/x
  3. Step 3: Cross multiply
    19,008.45x = 26,231.49 × 10,511.10
  4. Step 4: Simplify right side
    19,008.45x = 275,721,814.54
  5. Step 5: Solve for x
    x = 275,721,814.54/19,008.45
  6. Step 6: Final answer
    x = 14,505.22

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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.