Home / 25,016.32-34,522.26-13,685.70

Finding the Fourth Proportional to 25,016.32, 34,522.26 and 13,685.70

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Solution

The fourth proportional to 25,016.32, 34,522.26 and 13,685.70 is: 18,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,016.32 : 34,522.26 = 13,685.70 : x
  2. Step 2: Convert to fraction form
    25,016.32/34,522.26 = 13,685.70/x
  3. Step 3: Cross multiply
    25,016.32x = 34,522.26 × 13,685.70
  4. Step 4: Simplify right side
    25,016.32x = 472,461,293.68
  5. Step 5: Solve for x
    x = 472,461,293.68/25,016.32
  6. Step 6: Final answer
    x = 18,886.12

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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.