Home / 17,880.76-24,665.19-11,154.70

Finding the Fourth Proportional to 17,880.76, 24,665.19 and 11,154.70

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Solution

The fourth proportional to 17,880.76, 24,665.19 and 11,154.70 is: 15,387.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.76 : 24,665.19 = 11,154.70 : x
  2. Step 2: Convert to fraction form
    17,880.76/24,665.19 = 11,154.70/x
  3. Step 3: Cross multiply
    17,880.76x = 24,665.19 × 11,154.70
  4. Step 4: Simplify right side
    17,880.76x = 275,132,794.89
  5. Step 5: Solve for x
    x = 275,132,794.89/17,880.76
  6. Step 6: Final answer
    x = 15,387.09

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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.