Home / 25,351.74-34,979.49-14,734.98

Finding the Fourth Proportional to 25,351.74, 34,979.49 and 14,734.98

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Solution

The fourth proportional to 25,351.74, 34,979.49 and 14,734.98 is: 20,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,351.74 : 34,979.49 = 14,734.98 : x
  2. Step 2: Convert to fraction form
    25,351.74/34,979.49 = 14,734.98/x
  3. Step 3: Cross multiply
    25,351.74x = 34,979.49 × 14,734.98
  4. Step 4: Simplify right side
    25,351.74x = 515,422,085.56
  5. Step 5: Solve for x
    x = 515,422,085.56/25,351.74
  6. Step 6: Final answer
    x = 20,330.84

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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.