Home / 27,686.32-38,190.62-17,068.04

Finding the Fourth Proportional to 27,686.32, 38,190.62 and 17,068.04

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Solution

The fourth proportional to 27,686.32, 38,190.62 and 17,068.04 is: 23,543.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,686.32 : 38,190.62 = 17,068.04 : x
  2. Step 2: Convert to fraction form
    27,686.32/38,190.62 = 17,068.04/x
  3. Step 3: Cross multiply
    27,686.32x = 38,190.62 × 17,068.04
  4. Step 4: Simplify right side
    27,686.32x = 651,839,029.78
  5. Step 5: Solve for x
    x = 651,839,029.78/27,686.32
  6. Step 6: Final answer
    x = 23,543.72

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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.