Home / 22,247.92-30,713.24-12,814.66

Finding the Fourth Proportional to 22,247.92, 30,713.24 and 12,814.66

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Solution

The fourth proportional to 22,247.92, 30,713.24 and 12,814.66 is: 17,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,247.92 : 30,713.24 = 12,814.66 : x
  2. Step 2: Convert to fraction form
    22,247.92/30,713.24 = 12,814.66/x
  3. Step 3: Cross multiply
    22,247.92x = 30,713.24 × 12,814.66
  4. Step 4: Simplify right side
    22,247.92x = 393,579,587.24
  5. Step 5: Solve for x
    x = 393,579,587.24/22,247.92
  6. Step 6: Final answer
    x = 17,690.63

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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.