Home / 29,255.68-40,372.08-16,680.16

Finding the Fourth Proportional to 29,255.68, 40,372.08 and 16,680.16

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Solution

The fourth proportional to 29,255.68, 40,372.08 and 16,680.16 is: 23,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,255.68 : 40,372.08 = 16,680.16 : x
  2. Step 2: Convert to fraction form
    29,255.68/40,372.08 = 16,680.16/x
  3. Step 3: Cross multiply
    29,255.68x = 40,372.08 × 16,680.16
  4. Step 4: Simplify right side
    29,255.68x = 673,412,753.93
  5. Step 5: Solve for x
    x = 673,412,753.93/29,255.68
  6. Step 6: Final answer
    x = 23,018.19

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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.