Home / 15,260.60-21,060.12-8,546.48

Finding the Fourth Proportional to 15,260.60, 21,060.12 and 8,546.48

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Solution

The fourth proportional to 15,260.60, 21,060.12 and 8,546.48 is: 11,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.60 : 21,060.12 = 8,546.48 : x
  2. Step 2: Convert to fraction form
    15,260.60/21,060.12 = 8,546.48/x
  3. Step 3: Cross multiply
    15,260.60x = 21,060.12 × 8,546.48
  4. Step 4: Simplify right side
    15,260.60x = 179,989,894.38
  5. Step 5: Solve for x
    x = 179,989,894.38/15,260.60
  6. Step 6: Final answer
    x = 11,794.42

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.