Home / 22,862.20-31,479.73-20,013.63

Finding the Fourth Proportional to 22,862.20, 31,479.73 and 20,013.63

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Solution

The fourth proportional to 22,862.20, 31,479.73 and 20,013.63 is: 27,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,862.20 : 31,479.73 = 20,013.63 : x
  2. Step 2: Convert to fraction form
    22,862.20/31,479.73 = 20,013.63/x
  3. Step 3: Cross multiply
    22,862.20x = 31,479.73 × 20,013.63
  4. Step 4: Simplify right side
    22,862.20x = 630,023,668.72
  5. Step 5: Solve for x
    x = 630,023,668.72/22,862.20
  6. Step 6: Final answer
    x = 27,557.44

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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.