Home / 22,587.72-31,175.40-13,033.76

Finding the Fourth Proportional to 22,587.72, 31,175.40 and 13,033.76

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Solution

The fourth proportional to 22,587.72, 31,175.40 and 13,033.76 is: 17,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,587.72 : 31,175.40 = 13,033.76 : x
  2. Step 2: Convert to fraction form
    22,587.72/31,175.40 = 13,033.76/x
  3. Step 3: Cross multiply
    22,587.72x = 31,175.40 × 13,033.76
  4. Step 4: Simplify right side
    22,587.72x = 406,332,681.50
  5. Step 5: Solve for x
    x = 406,332,681.50/22,587.72
  6. Step 6: Final answer
    x = 17,989.10

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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.