Home / 25,016.39-34,522.11-13,685.75

Finding the Fourth Proportional to 25,016.39, 34,522.11 and 13,685.75

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Solution

The fourth proportional to 25,016.39, 34,522.11 and 13,685.75 is: 18,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,016.39 : 34,522.11 = 13,685.75 : x
  2. Step 2: Convert to fraction form
    25,016.39/34,522.11 = 13,685.75/x
  3. Step 3: Cross multiply
    25,016.39x = 34,522.11 × 13,685.75
  4. Step 4: Simplify right side
    25,016.39x = 472,460,966.93
  5. Step 5: Solve for x
    x = 472,460,966.93/25,016.39
  6. Step 6: Final answer
    x = 18,886.06

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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.