Home / 25,450.95-38,179.23-8,812.47

Finding the Fourth Proportional to 25,450.95, 38,179.23 and 8,812.47

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Solution

The fourth proportional to 25,450.95, 38,179.23 and 8,812.47 is: 13,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.95 : 38,179.23 = 8,812.47 : x
  2. Step 2: Convert to fraction form
    25,450.95/38,179.23 = 8,812.47/x
  3. Step 3: Cross multiply
    25,450.95x = 38,179.23 × 8,812.47
  4. Step 4: Simplify right side
    25,450.95x = 336,453,319.00
  5. Step 5: Solve for x
    x = 336,453,319.00/25,450.95
  6. Step 6: Final answer
    x = 13,219.68

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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.