Home / 17,318.92-23,900.66-9,867.40

Finding the Fourth Proportional to 17,318.92, 23,900.66 and 9,867.40

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Solution

The fourth proportional to 17,318.92, 23,900.66 and 9,867.40 is: 13,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,318.92 : 23,900.66 = 9,867.40 : x
  2. Step 2: Convert to fraction form
    17,318.92/23,900.66 = 9,867.40/x
  3. Step 3: Cross multiply
    17,318.92x = 23,900.66 × 9,867.40
  4. Step 4: Simplify right side
    17,318.92x = 235,837,372.48
  5. Step 5: Solve for x
    x = 235,837,372.48/17,318.92
  6. Step 6: Final answer
    x = 13,617.33

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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.