Home / 22,151.67-30,569.31-12,079.85

Finding the Fourth Proportional to 22,151.67, 30,569.31 and 12,079.85

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Solution

The fourth proportional to 22,151.67, 30,569.31 and 12,079.85 is: 16,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,151.67 : 30,569.31 = 12,079.85 : x
  2. Step 2: Convert to fraction form
    22,151.67/30,569.31 = 12,079.85/x
  3. Step 3: Cross multiply
    22,151.67x = 30,569.31 × 12,079.85
  4. Step 4: Simplify right side
    22,151.67x = 369,272,801.13
  5. Step 5: Solve for x
    x = 369,272,801.13/22,151.67
  6. Step 6: Final answer
    x = 16,670.20

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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.