Home / 15,990.05-23,985.38-5,462.48

Finding the Fourth Proportional to 15,990.05, 23,985.38 and 5,462.48

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Solution

The fourth proportional to 15,990.05, 23,985.38 and 5,462.48 is: 8,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.05 : 23,985.38 = 5,462.48 : x
  2. Step 2: Convert to fraction form
    15,990.05/23,985.38 = 5,462.48/x
  3. Step 3: Cross multiply
    15,990.05x = 23,985.38 × 5,462.48
  4. Step 4: Simplify right side
    15,990.05x = 131,019,732.16
  5. Step 5: Solve for x
    x = 131,019,732.16/15,990.05
  6. Step 6: Final answer
    x = 8,193.83

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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.