Home / 15,728.53-23,581.86-6,958.66

Finding the Fourth Proportional to 15,728.53, 23,581.86 and 6,958.66

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Solution

The fourth proportional to 15,728.53, 23,581.86 and 6,958.66 is: 10,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.53 : 23,581.86 = 6,958.66 : x
  2. Step 2: Convert to fraction form
    15,728.53/23,581.86 = 6,958.66/x
  3. Step 3: Cross multiply
    15,728.53x = 23,581.86 × 6,958.66
  4. Step 4: Simplify right side
    15,728.53x = 164,098,145.91
  5. Step 5: Solve for x
    x = 164,098,145.91/15,728.53
  6. Step 6: Final answer
    x = 10,433.15

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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.