Home / 15,190.28-22,821.96-14,351.12

Finding the Fourth Proportional to 15,190.28, 22,821.96 and 14,351.12

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Solution

The fourth proportional to 15,190.28, 22,821.96 and 14,351.12 is: 21,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,190.28 : 22,821.96 = 14,351.12 : x
  2. Step 2: Convert to fraction form
    15,190.28/22,821.96 = 14,351.12/x
  3. Step 3: Cross multiply
    15,190.28x = 22,821.96 × 14,351.12
  4. Step 4: Simplify right side
    15,190.28x = 327,520,686.60
  5. Step 5: Solve for x
    x = 327,520,686.60/15,190.28
  6. Step 6: Final answer
    x = 21,561.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.