Home / 17,886.08-24,689.42-15,358.04

Finding the Fourth Proportional to 17,886.08, 24,689.42 and 15,358.04

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Solution

The fourth proportional to 17,886.08, 24,689.42 and 15,358.04 is: 21,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.08 : 24,689.42 = 15,358.04 : x
  2. Step 2: Convert to fraction form
    17,886.08/24,689.42 = 15,358.04/x
  3. Step 3: Cross multiply
    17,886.08x = 24,689.42 × 15,358.04
  4. Step 4: Simplify right side
    17,886.08x = 379,181,023.15
  5. Step 5: Solve for x
    x = 379,181,023.15/17,886.08
  6. Step 6: Final answer
    x = 21,199.78

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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.