Home / 24,718.30-34,111.13-13,387.61

Finding the Fourth Proportional to 24,718.30, 34,111.13 and 13,387.61

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Solution

The fourth proportional to 24,718.30, 34,111.13 and 13,387.61 is: 18,474.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,718.30 : 34,111.13 = 13,387.61 : x
  2. Step 2: Convert to fraction form
    24,718.30/34,111.13 = 13,387.61/x
  3. Step 3: Cross multiply
    24,718.30x = 34,111.13 × 13,387.61
  4. Step 4: Simplify right side
    24,718.30x = 456,666,523.44
  5. Step 5: Solve for x
    x = 456,666,523.44/24,718.30
  6. Step 6: Final answer
    x = 18,474.84

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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.