Home / 22,538.70-31,102.13-12,466.47

Finding the Fourth Proportional to 22,538.70, 31,102.13 and 12,466.47

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Solution

The fourth proportional to 22,538.70, 31,102.13 and 12,466.47 is: 17,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,538.70 : 31,102.13 = 12,466.47 : x
  2. Step 2: Convert to fraction form
    22,538.70/31,102.13 = 12,466.47/x
  3. Step 3: Cross multiply
    22,538.70x = 31,102.13 × 12,466.47
  4. Step 4: Simplify right side
    22,538.70x = 387,733,708.25
  5. Step 5: Solve for x
    x = 387,733,708.25/22,538.70
  6. Step 6: Final answer
    x = 17,203.02

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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.