Home / 22,749.18-31,393.90-12,677.39

Finding the Fourth Proportional to 22,749.18, 31,393.90 and 12,677.39

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Solution

The fourth proportional to 22,749.18, 31,393.90 and 12,677.39 is: 17,494.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.18 : 31,393.90 = 12,677.39 : x
  2. Step 2: Convert to fraction form
    22,749.18/31,393.90 = 12,677.39/x
  3. Step 3: Cross multiply
    22,749.18x = 31,393.90 × 12,677.39
  4. Step 4: Simplify right side
    22,749.18x = 397,992,795.81
  5. Step 5: Solve for x
    x = 397,992,795.81/22,749.18
  6. Step 6: Final answer
    x = 17,494.82

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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.