Home / 15,851.46-23,772.33-12,724.05

Finding the Fourth Proportional to 15,851.46, 23,772.33 and 12,724.05

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Solution

The fourth proportional to 15,851.46, 23,772.33 and 12,724.05 is: 19,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,851.46 : 23,772.33 = 12,724.05 : x
  2. Step 2: Convert to fraction form
    15,851.46/23,772.33 = 12,724.05/x
  3. Step 3: Cross multiply
    15,851.46x = 23,772.33 × 12,724.05
  4. Step 4: Simplify right side
    15,851.46x = 302,480,315.54
  5. Step 5: Solve for x
    x = 302,480,315.54/15,851.46
  6. Step 6: Final answer
    x = 19,082.17

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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.