Home / 15,399.12-23,096.28-5,010.80

Finding the Fourth Proportional to 15,399.12, 23,096.28 and 5,010.80

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Solution

The fourth proportional to 15,399.12, 23,096.28 and 5,010.80 is: 7,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,399.12 : 23,096.28 = 5,010.80 : x
  2. Step 2: Convert to fraction form
    15,399.12/23,096.28 = 5,010.80/x
  3. Step 3: Cross multiply
    15,399.12x = 23,096.28 × 5,010.80
  4. Step 4: Simplify right side
    15,399.12x = 115,730,839.82
  5. Step 5: Solve for x
    x = 115,730,839.82/15,399.12
  6. Step 6: Final answer
    x = 7,515.42

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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.