Home / 25,177.80-37,766.70-12,055.80

Finding the Fourth Proportional to 25,177.80, 37,766.70 and 12,055.80

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Solution

The fourth proportional to 25,177.80, 37,766.70 and 12,055.80 is: 18,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,177.80 : 37,766.70 = 12,055.80 : x
  2. Step 2: Convert to fraction form
    25,177.80/37,766.70 = 12,055.80/x
  3. Step 3: Cross multiply
    25,177.80x = 37,766.70 × 12,055.80
  4. Step 4: Simplify right side
    25,177.80x = 455,307,781.86
  5. Step 5: Solve for x
    x = 455,307,781.86/25,177.80
  6. Step 6: Final answer
    x = 18,083.70

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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.