Home / 20,342.66-30,525.53-10,982.57

Finding the Fourth Proportional to 20,342.66, 30,525.53 and 10,982.57

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Solution

The fourth proportional to 20,342.66, 30,525.53 and 10,982.57 is: 16,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342.66 : 30,525.53 = 10,982.57 : x
  2. Step 2: Convert to fraction form
    20,342.66/30,525.53 = 10,982.57/x
  3. Step 3: Cross multiply
    20,342.66x = 30,525.53 × 10,982.57
  4. Step 4: Simplify right side
    20,342.66x = 335,248,562.47
  5. Step 5: Solve for x
    x = 335,248,562.47/20,342.66
  6. Step 6: Final answer
    x = 16,480.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.