Home / 17,947.46-24,767.49-9,989.51

Finding the Fourth Proportional to 17,947.46, 24,767.49 and 9,989.51

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Solution

The fourth proportional to 17,947.46, 24,767.49 and 9,989.51 is: 13,785.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,947.46 : 24,767.49 = 9,989.51 : x
  2. Step 2: Convert to fraction form
    17,947.46/24,767.49 = 9,989.51/x
  3. Step 3: Cross multiply
    17,947.46x = 24,767.49 × 9,989.51
  4. Step 4: Simplify right side
    17,947.46x = 247,414,977.16
  5. Step 5: Solve for x
    x = 247,414,977.16/17,947.46
  6. Step 6: Final answer
    x = 13,785.52

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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.