Home / 22,151.97-30,569.34-12,080.49

Finding the Fourth Proportional to 22,151.97, 30,569.34 and 12,080.49

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Solution

The fourth proportional to 22,151.97, 30,569.34 and 12,080.49 is: 16,670.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.97 : 30,569.34 = 12,080.49 : x
  2. Step 2: Convert to fraction form
    22,151.97/30,569.34 = 12,080.49/x
  3. Step 3: Cross multiply
    22,151.97x = 30,569.34 × 12,080.49
  4. Step 4: Simplify right side
    22,151.97x = 369,292,606.18
  5. Step 5: Solve for x
    x = 369,292,606.18/22,151.97
  6. Step 6: Final answer
    x = 16,670.87

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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.