Home / 25,081.83-34,612.20-13,750.74

Finding the Fourth Proportional to 25,081.83, 34,612.20 and 13,750.74

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Solution

The fourth proportional to 25,081.83, 34,612.20 and 13,750.74 is: 18,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,081.83 : 34,612.20 = 13,750.74 : x
  2. Step 2: Convert to fraction form
    25,081.83/34,612.20 = 13,750.74/x
  3. Step 3: Cross multiply
    25,081.83x = 34,612.20 × 13,750.74
  4. Step 4: Simplify right side
    25,081.83x = 475,943,363.03
  5. Step 5: Solve for x
    x = 475,943,363.03/25,081.83
  6. Step 6: Final answer
    x = 18,975.62

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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.