Home / 22,720.44-31,355.28-14,769.48

Finding the Fourth Proportional to 22,720.44, 31,355.28 and 14,769.48

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Solution

The fourth proportional to 22,720.44, 31,355.28 and 14,769.48 is: 20,382.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720.44 : 31,355.28 = 14,769.48 : x
  2. Step 2: Convert to fraction form
    22,720.44/31,355.28 = 14,769.48/x
  3. Step 3: Cross multiply
    22,720.44x = 31,355.28 × 14,769.48
  4. Step 4: Simplify right side
    22,720.44x = 463,101,180.85
  5. Step 5: Solve for x
    x = 463,101,180.85/22,720.44
  6. Step 6: Final answer
    x = 20,382.58

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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.