Home / 20,886.46-31,329.17-6,095.51

Finding the Fourth Proportional to 20,886.46, 31,329.17 and 6,095.51

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Solution

The fourth proportional to 20,886.46, 31,329.17 and 6,095.51 is: 9,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,886.46 : 31,329.17 = 6,095.51 : x
  2. Step 2: Convert to fraction form
    20,886.46/31,329.17 = 6,095.51/x
  3. Step 3: Cross multiply
    20,886.46x = 31,329.17 × 6,095.51
  4. Step 4: Simplify right side
    20,886.46x = 190,967,269.03
  5. Step 5: Solve for x
    x = 190,967,269.03/20,886.46
  6. Step 6: Final answer
    x = 9,143.11

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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.