Home / 15,260.95-21,060.62-8,546.86

Finding the Fourth Proportional to 15,260.95, 21,060.62 and 8,546.86

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Solution

The fourth proportional to 15,260.95, 21,060.62 and 8,546.86 is: 11,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.95 : 21,060.62 = 8,546.86 : x
  2. Step 2: Convert to fraction form
    15,260.95/21,060.62 = 8,546.86/x
  3. Step 3: Cross multiply
    15,260.95x = 21,060.62 × 8,546.86
  4. Step 4: Simplify right side
    15,260.95x = 180,002,170.65
  5. Step 5: Solve for x
    x = 180,002,170.65/15,260.95
  6. Step 6: Final answer
    x = 11,794.95

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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.