Home / 20,873.09-31,314.75-6,082.14

Finding the Fourth Proportional to 20,873.09, 31,314.75 and 6,082.14

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Solution

The fourth proportional to 20,873.09, 31,314.75 and 6,082.14 is: 9,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.09 : 31,314.75 = 6,082.14 : x
  2. Step 2: Convert to fraction form
    20,873.09/31,314.75 = 6,082.14/x
  3. Step 3: Cross multiply
    20,873.09x = 31,314.75 × 6,082.14
  4. Step 4: Simplify right side
    20,873.09x = 190,460,693.57
  5. Step 5: Solve for x
    x = 190,460,693.57/20,873.09
  6. Step 6: Final answer
    x = 9,124.70

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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.