Home / 25,868.40-38,777.40-11,081.04

Finding the Fourth Proportional to 25,868.40, 38,777.40 and 11,081.04

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Solution

The fourth proportional to 25,868.40, 38,777.40 and 11,081.04 is: 16,610.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,868.40 : 38,777.40 = 11,081.04 : x
  2. Step 2: Convert to fraction form
    25,868.40/38,777.40 = 11,081.04/x
  3. Step 3: Cross multiply
    25,868.40x = 38,777.40 × 11,081.04
  4. Step 4: Simplify right side
    25,868.40x = 429,693,920.50
  5. Step 5: Solve for x
    x = 429,693,920.50/25,868.40
  6. Step 6: Final answer
    x = 16,610.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.