Home / 25,099.40-34,635.67-13,766.63

Finding the Fourth Proportional to 25,099.40, 34,635.67 and 13,766.63

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Solution

The fourth proportional to 25,099.40, 34,635.67 and 13,766.63 is: 18,997.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,099.40 : 34,635.67 = 13,766.63 : x
  2. Step 2: Convert to fraction form
    25,099.40/34,635.67 = 13,766.63/x
  3. Step 3: Cross multiply
    25,099.40x = 34,635.67 × 13,766.63
  4. Step 4: Simplify right side
    25,099.40x = 476,816,246.10
  5. Step 5: Solve for x
    x = 476,816,246.10/25,099.40
  6. Step 6: Final answer
    x = 18,997.12

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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.