Home / 25,831.80-38,751.30-11,040.60

Finding the Fourth Proportional to 25,831.80, 38,751.30 and 11,040.60

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Solution

The fourth proportional to 25,831.80, 38,751.30 and 11,040.60 is: 16,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.80 : 38,751.30 = 11,040.60 : x
  2. Step 2: Convert to fraction form
    25,831.80/38,751.30 = 11,040.60/x
  3. Step 3: Cross multiply
    25,831.80x = 38,751.30 × 11,040.60
  4. Step 4: Simplify right side
    25,831.80x = 427,837,602.78
  5. Step 5: Solve for x
    x = 427,837,602.78/25,831.80
  6. Step 6: Final answer
    x = 16,562.44

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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.