Home / 25,454.32-38,172.33-8,809.84

Finding the Fourth Proportional to 25,454.32, 38,172.33 and 8,809.84

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Solution

The fourth proportional to 25,454.32, 38,172.33 and 8,809.84 is: 13,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.32 : 38,172.33 = 8,809.84 : x
  2. Step 2: Convert to fraction form
    25,454.32/38,172.33 = 8,809.84/x
  3. Step 3: Cross multiply
    25,454.32x = 38,172.33 × 8,809.84
  4. Step 4: Simplify right side
    25,454.32x = 336,292,119.73
  5. Step 5: Solve for x
    x = 336,292,119.73/25,454.32
  6. Step 6: Final answer
    x = 13,211.59

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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.