Home / 25,229.88-34,817.45-13,899.74

Finding the Fourth Proportional to 25,229.88, 34,817.45 and 13,899.74

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Solution

The fourth proportional to 25,229.88, 34,817.45 and 13,899.74 is: 19,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,229.88 : 34,817.45 = 13,899.74 : x
  2. Step 2: Convert to fraction form
    25,229.88/34,817.45 = 13,899.74/x
  3. Step 3: Cross multiply
    25,229.88x = 34,817.45 × 13,899.74
  4. Step 4: Simplify right side
    25,229.88x = 483,953,258.88
  5. Step 5: Solve for x
    x = 483,953,258.88/25,229.88
  6. Step 6: Final answer
    x = 19,181.75

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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.