Home / 18,454.32-25,468.20-11,381.04

Finding the Fourth Proportional to 18,454.32, 25,468.20 and 11,381.04

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Solution

The fourth proportional to 18,454.32, 25,468.20 and 11,381.04 is: 15,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.32 : 25,468.20 = 11,381.04 : x
  2. Step 2: Convert to fraction form
    18,454.32/25,468.20 = 11,381.04/x
  3. Step 3: Cross multiply
    18,454.32x = 25,468.20 × 11,381.04
  4. Step 4: Simplify right side
    18,454.32x = 289,854,602.93
  5. Step 5: Solve for x
    x = 289,854,602.93/18,454.32
  6. Step 6: Final answer
    x = 15,706.60

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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.