Home / 24,689.46-34,074.05-15,135.75

Finding the Fourth Proportional to 24,689.46, 34,074.05 and 15,135.75

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Solution

The fourth proportional to 24,689.46, 34,074.05 and 15,135.75 is: 20,888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,689.46 : 34,074.05 = 15,135.75 : x
  2. Step 2: Convert to fraction form
    24,689.46/34,074.05 = 15,135.75/x
  3. Step 3: Cross multiply
    24,689.46x = 34,074.05 × 15,135.75
  4. Step 4: Simplify right side
    24,689.46x = 515,736,226.61
  5. Step 5: Solve for x
    x = 515,736,226.61/24,689.46
  6. Step 6: Final answer
    x = 20,888.92

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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.