Home / 25,876.85-38,814.98-18,246.71

Finding the Fourth Proportional to 25,876.85, 38,814.98 and 18,246.71

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Solution

The fourth proportional to 25,876.85, 38,814.98 and 18,246.71 is: 27,369.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,876.85 : 38,814.98 = 18,246.71 : x
  2. Step 2: Convert to fraction form
    25,876.85/38,814.98 = 18,246.71/x
  3. Step 3: Cross multiply
    25,876.85x = 38,814.98 × 18,246.71
  4. Step 4: Simplify right side
    25,876.85x = 708,245,592.48
  5. Step 5: Solve for x
    x = 708,245,592.48/25,876.85
  6. Step 6: Final answer
    x = 27,369.85

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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.