Home / 25,890.49-38,827.50-8,356.24

Finding the Fourth Proportional to 25,890.49, 38,827.50 and 8,356.24

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Solution

The fourth proportional to 25,890.49, 38,827.50 and 8,356.24 is: 12,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.49 : 38,827.50 = 8,356.24 : x
  2. Step 2: Convert to fraction form
    25,890.49/38,827.50 = 8,356.24/x
  3. Step 3: Cross multiply
    25,890.49x = 38,827.50 × 8,356.24
  4. Step 4: Simplify right side
    25,890.49x = 324,451,908.60
  5. Step 5: Solve for x
    x = 324,451,908.60/25,890.49
  6. Step 6: Final answer
    x = 12,531.70

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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.