Home / 22,616.28-31,225.86-14,121.72

Finding the Fourth Proportional to 22,616.28, 31,225.86 and 14,121.72

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Solution

The fourth proportional to 22,616.28, 31,225.86 and 14,121.72 is: 19,497.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,616.28 : 31,225.86 = 14,121.72 : x
  2. Step 2: Convert to fraction form
    22,616.28/31,225.86 = 14,121.72/x
  3. Step 3: Cross multiply
    22,616.28x = 31,225.86 × 14,121.72
  4. Step 4: Simplify right side
    22,616.28x = 440,962,851.68
  5. Step 5: Solve for x
    x = 440,962,851.68/22,616.28
  6. Step 6: Final answer
    x = 19,497.59

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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.