Home / 17,691.84-24,429.60-12,119.04

Finding the Fourth Proportional to 17,691.84, 24,429.60 and 12,119.04

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Solution

The fourth proportional to 17,691.84, 24,429.60 and 12,119.04 is: 16,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.84 : 24,429.60 = 12,119.04 : x
  2. Step 2: Convert to fraction form
    17,691.84/24,429.60 = 12,119.04/x
  3. Step 3: Cross multiply
    17,691.84x = 24,429.60 × 12,119.04
  4. Step 4: Simplify right side
    17,691.84x = 296,063,299.58
  5. Step 5: Solve for x
    x = 296,063,299.58/17,691.84
  6. Step 6: Final answer
    x = 16,734.45

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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.