Home / 15,596.64-21,508.20-12,610.44

Finding the Fourth Proportional to 15,596.64, 21,508.20 and 12,610.44

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Solution

The fourth proportional to 15,596.64, 21,508.20 and 12,610.44 is: 17,390.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.64 : 21,508.20 = 12,610.44 : x
  2. Step 2: Convert to fraction form
    15,596.64/21,508.20 = 12,610.44/x
  3. Step 3: Cross multiply
    15,596.64x = 21,508.20 × 12,610.44
  4. Step 4: Simplify right side
    15,596.64x = 271,227,865.61
  5. Step 5: Solve for x
    x = 271,227,865.61/15,596.64
  6. Step 6: Final answer
    x = 17,390.15

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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.