Home / 22,630.16-31,223.24-14,672.72

Finding the Fourth Proportional to 22,630.16, 31,223.24 and 14,672.72

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Solution

The fourth proportional to 22,630.16, 31,223.24 and 14,672.72 is: 20,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.16 : 31,223.24 = 14,672.72 : x
  2. Step 2: Convert to fraction form
    22,630.16/31,223.24 = 14,672.72/x
  3. Step 3: Cross multiply
    22,630.16x = 31,223.24 × 14,672.72
  4. Step 4: Simplify right side
    22,630.16x = 458,129,858.01
  5. Step 5: Solve for x
    x = 458,129,858.01/22,630.16
  6. Step 6: Final answer
    x = 20,244.22

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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.