Home / 15,596.12-21,521.22-8,879.96

Finding the Fourth Proportional to 15,596.12, 21,521.22 and 8,879.96

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Solution

The fourth proportional to 15,596.12, 21,521.22 and 8,879.96 is: 12,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.12 : 21,521.22 = 8,879.96 : x
  2. Step 2: Convert to fraction form
    15,596.12/21,521.22 = 8,879.96/x
  3. Step 3: Cross multiply
    15,596.12x = 21,521.22 × 8,879.96
  4. Step 4: Simplify right side
    15,596.12x = 191,107,572.75
  5. Step 5: Solve for x
    x = 191,107,572.75/15,596.12
  6. Step 6: Final answer
    x = 12,253.53

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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.