Home / 25,557.11-35,272.58-15,348.83

Finding the Fourth Proportional to 25,557.11, 35,272.58 and 15,348.83

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Solution

The fourth proportional to 25,557.11, 35,272.58 and 15,348.83 is: 21,183.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.11 : 35,272.58 = 15,348.83 : x
  2. Step 2: Convert to fraction form
    25,557.11/35,272.58 = 15,348.83/x
  3. Step 3: Cross multiply
    25,557.11x = 35,272.58 × 15,348.83
  4. Step 4: Simplify right side
    25,557.11x = 541,392,669.16
  5. Step 5: Solve for x
    x = 541,392,669.16/25,557.11
  6. Step 6: Final answer
    x = 21,183.64

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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.