Home / 25,983.18-38,975.31-9,967.05

Finding the Fourth Proportional to 25,983.18, 38,975.31 and 9,967.05

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Solution

The fourth proportional to 25,983.18, 38,975.31 and 9,967.05 is: 14,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,983.18 : 38,975.31 = 9,967.05 : x
  2. Step 2: Convert to fraction form
    25,983.18/38,975.31 = 9,967.05/x
  3. Step 3: Cross multiply
    25,983.18x = 38,975.31 × 9,967.05
  4. Step 4: Simplify right side
    25,983.18x = 388,468,863.54
  5. Step 5: Solve for x
    x = 388,468,863.54/25,983.18
  6. Step 6: Final answer
    x = 14,950.78

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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.