Home / 25,045.75-34,564.22-13,867.75

Finding the Fourth Proportional to 25,045.75, 34,564.22 and 13,867.75

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Solution

The fourth proportional to 25,045.75, 34,564.22 and 13,867.75 is: 19,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,045.75 : 34,564.22 = 13,867.75 : x
  2. Step 2: Convert to fraction form
    25,045.75/34,564.22 = 13,867.75/x
  3. Step 3: Cross multiply
    25,045.75x = 34,564.22 × 13,867.75
  4. Step 4: Simplify right side
    25,045.75x = 479,327,961.91
  5. Step 5: Solve for x
    x = 479,327,961.91/25,045.75
  6. Step 6: Final answer
    x = 19,138.10

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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.