Home / 26,812.17-36,991.71-17,382.60

Finding the Fourth Proportional to 26,812.17, 36,991.71 and 17,382.60

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Solution

The fourth proportional to 26,812.17, 36,991.71 and 17,382.60 is: 23,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812.17 : 36,991.71 = 17,382.60 : x
  2. Step 2: Convert to fraction form
    26,812.17/36,991.71 = 17,382.60/x
  3. Step 3: Cross multiply
    26,812.17x = 36,991.71 × 17,382.60
  4. Step 4: Simplify right side
    26,812.17x = 643,012,098.25
  5. Step 5: Solve for x
    x = 643,012,098.25/26,812.17
  6. Step 6: Final answer
    x = 23,982.10

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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.