Home / 17,689.48-24,405.40-10,972.68

Finding the Fourth Proportional to 17,689.48, 24,405.40 and 10,972.68

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Solution

The fourth proportional to 17,689.48, 24,405.40 and 10,972.68 is: 15,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,689.48 : 24,405.40 = 10,972.68 : x
  2. Step 2: Convert to fraction form
    17,689.48/24,405.40 = 10,972.68/x
  3. Step 3: Cross multiply
    17,689.48x = 24,405.40 × 10,972.68
  4. Step 4: Simplify right side
    17,689.48x = 267,792,644.47
  5. Step 5: Solve for x
    x = 267,792,644.47/17,689.48
  6. Step 6: Final answer
    x = 15,138.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.