Home / 25,251.35-34,849.98-15,185.07

Finding the Fourth Proportional to 25,251.35, 34,849.98 and 15,185.07

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Solution

The fourth proportional to 25,251.35, 34,849.98 and 15,185.07 is: 20,957.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.35 : 34,849.98 = 15,185.07 : x
  2. Step 2: Convert to fraction form
    25,251.35/34,849.98 = 15,185.07/x
  3. Step 3: Cross multiply
    25,251.35x = 34,849.98 × 15,185.07
  4. Step 4: Simplify right side
    25,251.35x = 529,199,385.80
  5. Step 5: Solve for x
    x = 529,199,385.80/25,251.35
  6. Step 6: Final answer
    x = 20,957.28

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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.