Home / 15,010.70-22,502.14-5,147.64

Finding the Fourth Proportional to 15,010.70, 22,502.14 and 5,147.64

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Solution

The fourth proportional to 15,010.70, 22,502.14 and 5,147.64 is: 7,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.70 : 22,502.14 = 5,147.64 : x
  2. Step 2: Convert to fraction form
    15,010.70/22,502.14 = 5,147.64/x
  3. Step 3: Cross multiply
    15,010.70x = 22,502.14 × 5,147.64
  4. Step 4: Simplify right side
    15,010.70x = 115,832,915.95
  5. Step 5: Solve for x
    x = 115,832,915.95/15,010.70
  6. Step 6: Final answer
    x = 7,716.69

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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.