Home / 22,764.12-31,416.48-13,207.56

Finding the Fourth Proportional to 22,764.12, 31,416.48 and 13,207.56

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Solution

The fourth proportional to 22,764.12, 31,416.48 and 13,207.56 is: 18,227.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,764.12 : 31,416.48 = 13,207.56 : x
  2. Step 2: Convert to fraction form
    22,764.12/31,416.48 = 13,207.56/x
  3. Step 3: Cross multiply
    22,764.12x = 31,416.48 × 13,207.56
  4. Step 4: Simplify right side
    22,764.12x = 414,935,044.59
  5. Step 5: Solve for x
    x = 414,935,044.59/22,764.12
  6. Step 6: Final answer
    x = 18,227.59

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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.