Home / 25,812.50-35,620.56-14,481.05

Finding the Fourth Proportional to 25,812.50, 35,620.56 and 14,481.05

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Solution

The fourth proportional to 25,812.50, 35,620.56 and 14,481.05 is: 19,983.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812.50 : 35,620.56 = 14,481.05 : x
  2. Step 2: Convert to fraction form
    25,812.50/35,620.56 = 14,481.05/x
  3. Step 3: Cross multiply
    25,812.50x = 35,620.56 × 14,481.05
  4. Step 4: Simplify right side
    25,812.50x = 515,822,932.29
  5. Step 5: Solve for x
    x = 515,822,932.29/25,812.50
  6. Step 6: Final answer
    x = 19,983.46

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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.