Home / 15,733.24-21,710.46-8,659.96

Finding the Fourth Proportional to 15,733.24, 21,710.46 and 8,659.96

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Solution

The fourth proportional to 15,733.24, 21,710.46 and 8,659.96 is: 11,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.24 : 21,710.46 = 8,659.96 : x
  2. Step 2: Convert to fraction form
    15,733.24/21,710.46 = 8,659.96/x
  3. Step 3: Cross multiply
    15,733.24x = 21,710.46 × 8,659.96
  4. Step 4: Simplify right side
    15,733.24x = 188,011,715.18
  5. Step 5: Solve for x
    x = 188,011,715.18/15,733.24
  6. Step 6: Final answer
    x = 11,949.97

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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.