Home / 15,331.82-22,981.20-7,417.62

Finding the Fourth Proportional to 15,331.82, 22,981.20 and 7,417.62

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Solution

The fourth proportional to 15,331.82, 22,981.20 and 7,417.62 is: 11,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331.82 : 22,981.20 = 7,417.62 : x
  2. Step 2: Convert to fraction form
    15,331.82/22,981.20 = 7,417.62/x
  3. Step 3: Cross multiply
    15,331.82x = 22,981.20 × 7,417.62
  4. Step 4: Simplify right side
    15,331.82x = 170,465,693.84
  5. Step 5: Solve for x
    x = 170,465,693.84/15,331.82
  6. Step 6: Final answer
    x = 11,118.43

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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.