Home / 17,886.60-24,687-11,422.08

Finding the Fourth Proportional to 17,886.60, 24,687 and 11,422.08

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Solution

The fourth proportional to 17,886.60, 24,687 and 11,422.08 is: 15,764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.60 : 24,687 = 11,422.08 : x
  2. Step 2: Convert to fraction form
    17,886.60/24,687 = 11,422.08/x
  3. Step 3: Cross multiply
    17,886.60x = 24,687 × 11,422.08
  4. Step 4: Simplify right side
    17,886.60x = 281,976,888.96
  5. Step 5: Solve for x
    x = 281,976,888.96/17,886.60
  6. Step 6: Final answer
    x = 15,764.70

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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.