Home / 29,555.55-40,785.87-16,126.79

Finding the Fourth Proportional to 29,555.55, 40,785.87 and 16,126.79

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Solution

The fourth proportional to 29,555.55, 40,785.87 and 16,126.79 is: 22,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,555.55 : 40,785.87 = 16,126.79 : x
  2. Step 2: Convert to fraction form
    29,555.55/40,785.87 = 16,126.79/x
  3. Step 3: Cross multiply
    29,555.55x = 40,785.87 × 16,126.79
  4. Step 4: Simplify right side
    29,555.55x = 657,745,160.46
  5. Step 5: Solve for x
    x = 657,745,160.46/29,555.55
  6. Step 6: Final answer
    x = 22,254.54

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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.