Home / 25,080.93-34,612.11-13,750.20

Finding the Fourth Proportional to 25,080.93, 34,612.11 and 13,750.20

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Solution

The fourth proportional to 25,080.93, 34,612.11 and 13,750.20 is: 18,975.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080.93 : 34,612.11 = 13,750.20 : x
  2. Step 2: Convert to fraction form
    25,080.93/34,612.11 = 13,750.20/x
  3. Step 3: Cross multiply
    25,080.93x = 34,612.11 × 13,750.20
  4. Step 4: Simplify right side
    25,080.93x = 475,923,434.92
  5. Step 5: Solve for x
    x = 475,923,434.92/25,080.93
  6. Step 6: Final answer
    x = 18,975.51

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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.