Home / 22,628.66-31,221.17-14,671.22

Finding the Fourth Proportional to 22,628.66, 31,221.17 and 14,671.22

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Solution

The fourth proportional to 22,628.66, 31,221.17 and 14,671.22 is: 20,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.66 : 31,221.17 = 14,671.22 : x
  2. Step 2: Convert to fraction form
    22,628.66/31,221.17 = 14,671.22/x
  3. Step 3: Cross multiply
    22,628.66x = 31,221.17 × 14,671.22
  4. Step 4: Simplify right side
    22,628.66x = 458,052,653.73
  5. Step 5: Solve for x
    x = 458,052,653.73/22,628.66
  6. Step 6: Final answer
    x = 20,242.15

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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.