Home / 17,886.15-24,677.88-11,178.59

Finding the Fourth Proportional to 17,886.15, 24,677.88 and 11,178.59

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Solution

The fourth proportional to 17,886.15, 24,677.88 and 11,178.59 is: 15,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,886.15 : 24,677.88 = 11,178.59 : x
  2. Step 2: Convert to fraction form
    17,886.15/24,677.88 = 11,178.59/x
  3. Step 3: Cross multiply
    17,886.15x = 24,677.88 × 11,178.59
  4. Step 4: Simplify right side
    17,886.15x = 275,863,938.97
  5. Step 5: Solve for x
    x = 275,863,938.97/17,886.15
  6. Step 6: Final answer
    x = 15,423.33

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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.