Home / 22,872.95-31,565.28-12,803.13

Finding the Fourth Proportional to 22,872.95, 31,565.28 and 12,803.13

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Solution

The fourth proportional to 22,872.95, 31,565.28 and 12,803.13 is: 17,668.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.95 : 31,565.28 = 12,803.13 : x
  2. Step 2: Convert to fraction form
    22,872.95/31,565.28 = 12,803.13/x
  3. Step 3: Cross multiply
    22,872.95x = 31,565.28 × 12,803.13
  4. Step 4: Simplify right side
    22,872.95x = 404,134,383.33
  5. Step 5: Solve for x
    x = 404,134,383.33/22,872.95
  6. Step 6: Final answer
    x = 17,668.66

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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.