Home / 17,990.05-24,825.10-9,923.22

Finding the Fourth Proportional to 17,990.05, 24,825.10 and 9,923.22

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Solution

The fourth proportional to 17,990.05, 24,825.10 and 9,923.22 is: 13,693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,990.05 : 24,825.10 = 9,923.22 : x
  2. Step 2: Convert to fraction form
    17,990.05/24,825.10 = 9,923.22/x
  3. Step 3: Cross multiply
    17,990.05x = 24,825.10 × 9,923.22
  4. Step 4: Simplify right side
    17,990.05x = 246,344,824.89
  5. Step 5: Solve for x
    x = 246,344,824.89/17,990.05
  6. Step 6: Final answer
    x = 13,693.39

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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.