Home / 22,151.47-30,569.77-12,080.46

Finding the Fourth Proportional to 22,151.47, 30,569.77 and 12,080.46

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Solution

The fourth proportional to 22,151.47, 30,569.77 and 12,080.46 is: 16,671.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.47 : 30,569.77 = 12,080.46 : x
  2. Step 2: Convert to fraction form
    22,151.47/30,569.77 = 12,080.46/x
  3. Step 3: Cross multiply
    22,151.47x = 30,569.77 × 12,080.46
  4. Step 4: Simplify right side
    22,151.47x = 369,296,883.69
  5. Step 5: Solve for x
    x = 369,296,883.69/22,151.47
  6. Step 6: Final answer
    x = 16,671.44

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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.