Home / 20,894.08-31,343.28-7,044.16

Finding the Fourth Proportional to 20,894.08, 31,343.28 and 7,044.16

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Solution

The fourth proportional to 20,894.08, 31,343.28 and 7,044.16 is: 10,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894.08 : 31,343.28 = 7,044.16 : x
  2. Step 2: Convert to fraction form
    20,894.08/31,343.28 = 7,044.16/x
  3. Step 3: Cross multiply
    20,894.08x = 31,343.28 × 7,044.16
  4. Step 4: Simplify right side
    20,894.08x = 220,787,079.24
  5. Step 5: Solve for x
    x = 220,787,079.24/20,894.08
  6. Step 6: Final answer
    x = 10,566.97

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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.