Home / 15,596.92-21,487.26-10,872.76

Finding the Fourth Proportional to 15,596.92, 21,487.26 and 10,872.76

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Solution

The fourth proportional to 15,596.92, 21,487.26 and 10,872.76 is: 14,978.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.92 : 21,487.26 = 10,872.76 : x
  2. Step 2: Convert to fraction form
    15,596.92/21,487.26 = 10,872.76/x
  3. Step 3: Cross multiply
    15,596.92x = 21,487.26 × 10,872.76
  4. Step 4: Simplify right side
    15,596.92x = 233,625,821.04
  5. Step 5: Solve for x
    x = 233,625,821.04/15,596.92
  6. Step 6: Final answer
    x = 14,978.97

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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.