Home / 17,640.32-24,343.92-9,683.28

Finding the Fourth Proportional to 17,640.32, 24,343.92 and 9,683.28

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Solution

The fourth proportional to 17,640.32, 24,343.92 and 9,683.28 is: 13,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640.32 : 24,343.92 = 9,683.28 : x
  2. Step 2: Convert to fraction form
    17,640.32/24,343.92 = 9,683.28/x
  3. Step 3: Cross multiply
    17,640.32x = 24,343.92 × 9,683.28
  4. Step 4: Simplify right side
    17,640.32x = 235,728,993.66
  5. Step 5: Solve for x
    x = 235,728,993.66/17,640.32
  6. Step 6: Final answer
    x = 13,363.08

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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.