Home / 25,325.86-34,951.79-13,997.57

Finding the Fourth Proportional to 25,325.86, 34,951.79 and 13,997.57

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Solution

The fourth proportional to 25,325.86, 34,951.79 and 13,997.57 is: 19,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.86 : 34,951.79 = 13,997.57 : x
  2. Step 2: Convert to fraction form
    25,325.86/34,951.79 = 13,997.57/x
  3. Step 3: Cross multiply
    25,325.86x = 34,951.79 × 13,997.57
  4. Step 4: Simplify right side
    25,325.86x = 489,240,127.15
  5. Step 5: Solve for x
    x = 489,240,127.15/25,325.86
  6. Step 6: Final answer
    x = 19,317.81

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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.