Home / 18,112.68-27,336.15-17,646.12

Finding the Fourth Proportional to 18,112.68, 27,336.15 and 17,646.12

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Solution

The fourth proportional to 18,112.68, 27,336.15 and 17,646.12 is: 26,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.68 : 27,336.15 = 17,646.12 : x
  2. Step 2: Convert to fraction form
    18,112.68/27,336.15 = 17,646.12/x
  3. Step 3: Cross multiply
    18,112.68x = 27,336.15 × 17,646.12
  4. Step 4: Simplify right side
    18,112.68x = 482,376,983.24
  5. Step 5: Solve for x
    x = 482,376,983.24/18,112.68
  6. Step 6: Final answer
    x = 26,632.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.