Home / 17,382.16-23,981.64-9,827.56

Finding the Fourth Proportional to 17,382.16, 23,981.64 and 9,827.56

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Solution

The fourth proportional to 17,382.16, 23,981.64 and 9,827.56 is: 13,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382.16 : 23,981.64 = 9,827.56 : x
  2. Step 2: Convert to fraction form
    17,382.16/23,981.64 = 9,827.56/x
  3. Step 3: Cross multiply
    17,382.16x = 23,981.64 × 9,827.56
  4. Step 4: Simplify right side
    17,382.16x = 235,681,006.00
  5. Step 5: Solve for x
    x = 235,681,006.00/17,382.16
  6. Step 6: Final answer
    x = 13,558.79

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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.