Home / 15,372.18-23,065.14-7,470.36

Finding the Fourth Proportional to 15,372.18, 23,065.14 and 7,470.36

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Solution

The fourth proportional to 15,372.18, 23,065.14 and 7,470.36 is: 11,208.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.18 : 23,065.14 = 7,470.36 : x
  2. Step 2: Convert to fraction form
    15,372.18/23,065.14 = 7,470.36/x
  3. Step 3: Cross multiply
    15,372.18x = 23,065.14 × 7,470.36
  4. Step 4: Simplify right side
    15,372.18x = 172,304,899.25
  5. Step 5: Solve for x
    x = 172,304,899.25/15,372.18
  6. Step 6: Final answer
    x = 11,208.88

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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.