Home / 29,104.56-40,164.24-15,856.56

Finding the Fourth Proportional to 29,104.56, 40,164.24 and 15,856.56

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Solution

The fourth proportional to 29,104.56, 40,164.24 and 15,856.56 is: 21,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,104.56 : 40,164.24 = 15,856.56 : x
  2. Step 2: Convert to fraction form
    29,104.56/40,164.24 = 15,856.56/x
  3. Step 3: Cross multiply
    29,104.56x = 40,164.24 × 15,856.56
  4. Step 4: Simplify right side
    29,104.56x = 636,866,681.41
  5. Step 5: Solve for x
    x = 636,866,681.41/29,104.56
  6. Step 6: Final answer
    x = 21,882.02

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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.