Home / 25,380.13-35,040.46-16,309.16

Finding the Fourth Proportional to 25,380.13, 35,040.46 and 16,309.16

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Solution

The fourth proportional to 25,380.13, 35,040.46 and 16,309.16 is: 22,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.13 : 35,040.46 = 16,309.16 : x
  2. Step 2: Convert to fraction form
    25,380.13/35,040.46 = 16,309.16/x
  3. Step 3: Cross multiply
    25,380.13x = 35,040.46 × 16,309.16
  4. Step 4: Simplify right side
    25,380.13x = 571,480,468.61
  5. Step 5: Solve for x
    x = 571,480,468.61/25,380.13
  6. Step 6: Final answer
    x = 22,516.85

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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.