Home / 15,371.28-23,100.26-9,132.39

Finding the Fourth Proportional to 15,371.28, 23,100.26 and 9,132.39

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Solution

The fourth proportional to 15,371.28, 23,100.26 and 9,132.39 is: 13,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,371.28 : 23,100.26 = 9,132.39 : x
  2. Step 2: Convert to fraction form
    15,371.28/23,100.26 = 9,132.39/x
  3. Step 3: Cross multiply
    15,371.28x = 23,100.26 × 9,132.39
  4. Step 4: Simplify right side
    15,371.28x = 210,960,537.76
  5. Step 5: Solve for x
    x = 210,960,537.76/15,371.28
  6. Step 6: Final answer
    x = 13,724.33

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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.