Home / 15,530.97-23,280.06-7,622.49

Finding the Fourth Proportional to 15,530.97, 23,280.06 and 7,622.49

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Solution

The fourth proportional to 15,530.97, 23,280.06 and 7,622.49 is: 11,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,530.97 : 23,280.06 = 7,622.49 : x
  2. Step 2: Convert to fraction form
    15,530.97/23,280.06 = 7,622.49/x
  3. Step 3: Cross multiply
    15,530.97x = 23,280.06 × 7,622.49
  4. Step 4: Simplify right side
    15,530.97x = 177,451,966.61
  5. Step 5: Solve for x
    x = 177,451,966.61/15,530.97
  6. Step 6: Final answer
    x = 11,425.68

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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.