Home / 25,471.02-38,206.55-8,831.06

Finding the Fourth Proportional to 25,471.02, 38,206.55 and 8,831.06

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Solution

The fourth proportional to 25,471.02, 38,206.55 and 8,831.06 is: 13,246.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.02 : 38,206.55 = 8,831.06 : x
  2. Step 2: Convert to fraction form
    25,471.02/38,206.55 = 8,831.06/x
  3. Step 3: Cross multiply
    25,471.02x = 38,206.55 × 8,831.06
  4. Step 4: Simplify right side
    25,471.02x = 337,404,100.25
  5. Step 5: Solve for x
    x = 337,404,100.25/25,471.02
  6. Step 6: Final answer
    x = 13,246.59

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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.