Home / 22,571.08-31,149.30-14,190.28

Finding the Fourth Proportional to 22,571.08, 31,149.30 and 14,190.28

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Solution

The fourth proportional to 22,571.08, 31,149.30 and 14,190.28 is: 19,583.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,571.08 : 31,149.30 = 14,190.28 : x
  2. Step 2: Convert to fraction form
    22,571.08/31,149.30 = 14,190.28/x
  3. Step 3: Cross multiply
    22,571.08x = 31,149.30 × 14,190.28
  4. Step 4: Simplify right side
    22,571.08x = 442,017,288.80
  5. Step 5: Solve for x
    x = 442,017,288.80/22,571.08
  6. Step 6: Final answer
    x = 19,583.35

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Similar ratio
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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.