Home / 20,154.70-30,237.17-11,841.74

Finding the Fourth Proportional to 20,154.70, 30,237.17 and 11,841.74

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Solution

The fourth proportional to 20,154.70, 30,237.17 and 11,841.74 is: 17,765.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.70 : 30,237.17 = 11,841.74 : x
  2. Step 2: Convert to fraction form
    20,154.70/30,237.17 = 11,841.74/x
  3. Step 3: Cross multiply
    20,154.70x = 30,237.17 × 11,841.74
  4. Step 4: Simplify right side
    20,154.70x = 358,060,705.48
  5. Step 5: Solve for x
    x = 358,060,705.48/20,154.70
  6. Step 6: Final answer
    x = 17,765.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.