Home / 22,608.90-31,201.06-12,536.76

Finding the Fourth Proportional to 22,608.90, 31,201.06 and 12,536.76

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Solution

The fourth proportional to 22,608.90, 31,201.06 and 12,536.76 is: 17,301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,608.90 : 31,201.06 = 12,536.76 : x
  2. Step 2: Convert to fraction form
    22,608.90/31,201.06 = 12,536.76/x
  3. Step 3: Cross multiply
    22,608.90x = 31,201.06 × 12,536.76
  4. Step 4: Simplify right side
    22,608.90x = 391,160,200.97
  5. Step 5: Solve for x
    x = 391,160,200.97/22,608.90
  6. Step 6: Final answer
    x = 17,301.16

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Half scale
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Double scale
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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.