Home / 25,088.10-34,621.92-13,757.42

Finding the Fourth Proportional to 25,088.10, 34,621.92 and 13,757.42

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Solution

The fourth proportional to 25,088.10, 34,621.92 and 13,757.42 is: 18,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,088.10 : 34,621.92 = 13,757.42 : x
  2. Step 2: Convert to fraction form
    25,088.10/34,621.92 = 13,757.42/x
  3. Step 3: Cross multiply
    25,088.10x = 34,621.92 × 13,757.42
  4. Step 4: Simplify right side
    25,088.10x = 476,308,121.54
  5. Step 5: Solve for x
    x = 476,308,121.54/25,088.10
  6. Step 6: Final answer
    x = 18,985.42

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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.