Home / 25,515.20-38,283.96-9,927.44

Finding the Fourth Proportional to 25,515.20, 38,283.96 and 9,927.44

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Solution

The fourth proportional to 25,515.20, 38,283.96 and 9,927.44 is: 14,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.20 : 38,283.96 = 9,927.44 : x
  2. Step 2: Convert to fraction form
    25,515.20/38,283.96 = 9,927.44/x
  3. Step 3: Cross multiply
    25,515.20x = 38,283.96 × 9,927.44
  4. Step 4: Simplify right side
    25,515.20x = 380,061,715.86
  5. Step 5: Solve for x
    x = 380,061,715.86/25,515.20
  6. Step 6: Final answer
    x = 14,895.50

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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.