Home / 24,731.42-34,129.40-13,400.91

Finding the Fourth Proportional to 24,731.42, 34,129.40 and 13,400.91

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Solution

The fourth proportional to 24,731.42, 34,129.40 and 13,400.91 is: 18,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,731.42 : 34,129.40 = 13,400.91 : x
  2. Step 2: Convert to fraction form
    24,731.42/34,129.40 = 13,400.91/x
  3. Step 3: Cross multiply
    24,731.42x = 34,129.40 × 13,400.91
  4. Step 4: Simplify right side
    24,731.42x = 457,364,950.75
  5. Step 5: Solve for x
    x = 457,364,950.75/24,731.42
  6. Step 6: Final answer
    x = 18,493.28

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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.