Home / 25,405.68-35,061.09-15,333.96

Finding the Fourth Proportional to 25,405.68, 35,061.09 and 15,333.96

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Solution

The fourth proportional to 25,405.68, 35,061.09 and 15,333.96 is: 21,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,405.68 : 35,061.09 = 15,333.96 : x
  2. Step 2: Convert to fraction form
    25,405.68/35,061.09 = 15,333.96/x
  3. Step 3: Cross multiply
    25,405.68x = 35,061.09 × 15,333.96
  4. Step 4: Simplify right side
    25,405.68x = 537,625,351.62
  5. Step 5: Solve for x
    x = 537,625,351.62/25,405.68
  6. Step 6: Final answer
    x = 21,161.62

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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.