Home / 25,269.81-34,873.37-13,940.61

Finding the Fourth Proportional to 25,269.81, 34,873.37 and 13,940.61

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Solution

The fourth proportional to 25,269.81, 34,873.37 and 13,940.61 is: 19,238.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,269.81 : 34,873.37 = 13,940.61 : x
  2. Step 2: Convert to fraction form
    25,269.81/34,873.37 = 13,940.61/x
  3. Step 3: Cross multiply
    25,269.81x = 34,873.37 × 13,940.61
  4. Step 4: Simplify right side
    25,269.81x = 486,156,050.56
  5. Step 5: Solve for x
    x = 486,156,050.56/25,269.81
  6. Step 6: Final answer
    x = 19,238.61

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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.