Home / 15,615.09-23,419.76-5,092.56

Finding the Fourth Proportional to 15,615.09, 23,419.76 and 5,092.56

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Solution

The fourth proportional to 15,615.09, 23,419.76 and 5,092.56 is: 7,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.09 : 23,419.76 = 5,092.56 : x
  2. Step 2: Convert to fraction form
    15,615.09/23,419.76 = 5,092.56/x
  3. Step 3: Cross multiply
    15,615.09x = 23,419.76 × 5,092.56
  4. Step 4: Simplify right side
    15,615.09x = 119,266,507.52
  5. Step 5: Solve for x
    x = 119,266,507.52/15,615.09
  6. Step 6: Final answer
    x = 7,637.90

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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.