Home / 18,565.11-25,617.50-10,607.85

Finding the Fourth Proportional to 18,565.11, 25,617.50 and 10,607.85

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Solution

The fourth proportional to 18,565.11, 25,617.50 and 10,607.85 is: 14,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,565.11 : 25,617.50 = 10,607.85 : x
  2. Step 2: Convert to fraction form
    18,565.11/25,617.50 = 10,607.85/x
  3. Step 3: Cross multiply
    18,565.11x = 25,617.50 × 10,607.85
  4. Step 4: Simplify right side
    18,565.11x = 271,746,608.38
  5. Step 5: Solve for x
    x = 271,746,608.38/18,565.11
  6. Step 6: Final answer
    x = 14,637.49

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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.