Home / 22,708.13-31,337.21-12,772.13

Finding the Fourth Proportional to 22,708.13, 31,337.21 and 12,772.13

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Solution

The fourth proportional to 22,708.13, 31,337.21 and 12,772.13 is: 17,625.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.13 : 31,337.21 = 12,772.13 : x
  2. Step 2: Convert to fraction form
    22,708.13/31,337.21 = 12,772.13/x
  3. Step 3: Cross multiply
    22,708.13x = 31,337.21 × 12,772.13
  4. Step 4: Simplify right side
    22,708.13x = 400,242,795.20
  5. Step 5: Solve for x
    x = 400,242,795.20/22,708.13
  6. Step 6: Final answer
    x = 17,625.53

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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.