Home / 22,582.80-31,175.28-15,033.60

Finding the Fourth Proportional to 22,582.80, 31,175.28 and 15,033.60

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Solution

The fourth proportional to 22,582.80, 31,175.28 and 15,033.60 is: 20,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,582.80 : 31,175.28 = 15,033.60 : x
  2. Step 2: Convert to fraction form
    22,582.80/31,175.28 = 15,033.60/x
  3. Step 3: Cross multiply
    22,582.80x = 31,175.28 × 15,033.60
  4. Step 4: Simplify right side
    22,582.80x = 468,676,689.41
  5. Step 5: Solve for x
    x = 468,676,689.41/22,582.80
  6. Step 6: Final answer
    x = 20,753.70

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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.