Home / 20,752.75-31,113.19-10,746.82

Finding the Fourth Proportional to 20,752.75, 31,113.19 and 10,746.82

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Solution

The fourth proportional to 20,752.75, 31,113.19 and 10,746.82 is: 16,111.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752.75 : 31,113.19 = 10,746.82 : x
  2. Step 2: Convert to fraction form
    20,752.75/31,113.19 = 10,746.82/x
  3. Step 3: Cross multiply
    20,752.75x = 31,113.19 × 10,746.82
  4. Step 4: Simplify right side
    20,752.75x = 334,367,747.91
  5. Step 5: Solve for x
    x = 334,367,747.91/20,752.75
  6. Step 6: Final answer
    x = 16,111.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.