Home / 16,225.66-22,371.12-13,540.74

Finding the Fourth Proportional to 16,225.66, 22,371.12 and 13,540.74

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Solution

The fourth proportional to 16,225.66, 22,371.12 and 13,540.74 is: 18,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,225.66 : 22,371.12 = 13,540.74 : x
  2. Step 2: Convert to fraction form
    16,225.66/22,371.12 = 13,540.74/x
  3. Step 3: Cross multiply
    16,225.66x = 22,371.12 × 13,540.74
  4. Step 4: Simplify right side
    16,225.66x = 302,921,519.43
  5. Step 5: Solve for x
    x = 302,921,519.43/16,225.66
  6. Step 6: Final answer
    x = 18,669.29

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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.