Home / 25,684.56-35,454.87-16,121.88

Finding the Fourth Proportional to 25,684.56, 35,454.87 and 16,121.88

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Solution

The fourth proportional to 25,684.56, 35,454.87 and 16,121.88 is: 22,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,684.56 : 35,454.87 = 16,121.88 : x
  2. Step 2: Convert to fraction form
    25,684.56/35,454.87 = 16,121.88/x
  3. Step 3: Cross multiply
    25,684.56x = 35,454.87 × 16,121.88
  4. Step 4: Simplify right side
    25,684.56x = 571,599,159.56
  5. Step 5: Solve for x
    x = 571,599,159.56/25,684.56
  6. Step 6: Final answer
    x = 22,254.58

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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.