Home / 23,082.90-31,850.38-13,648.02

Finding the Fourth Proportional to 23,082.90, 31,850.38 and 13,648.02

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Solution

The fourth proportional to 23,082.90, 31,850.38 and 13,648.02 is: 18,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,082.90 : 31,850.38 = 13,648.02 : x
  2. Step 2: Convert to fraction form
    23,082.90/31,850.38 = 13,648.02/x
  3. Step 3: Cross multiply
    23,082.90x = 31,850.38 × 13,648.02
  4. Step 4: Simplify right side
    23,082.90x = 434,694,623.25
  5. Step 5: Solve for x
    x = 434,694,623.25/23,082.90
  6. Step 6: Final answer
    x = 18,831.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.