Home / 29,507.43-40,715.67-16,929.75

Finding the Fourth Proportional to 29,507.43, 40,715.67 and 16,929.75

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Solution

The fourth proportional to 29,507.43, 40,715.67 and 16,929.75 is: 23,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.43 : 40,715.67 = 16,929.75 : x
  2. Step 2: Convert to fraction form
    29,507.43/40,715.67 = 16,929.75/x
  3. Step 3: Cross multiply
    29,507.43x = 40,715.67 × 16,929.75
  4. Step 4: Simplify right side
    29,507.43x = 689,306,114.18
  5. Step 5: Solve for x
    x = 689,306,114.18/29,507.43
  6. Step 6: Final answer
    x = 23,360.43

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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.