Home / 27,754.95-38,298.40-17,679.26

Finding the Fourth Proportional to 27,754.95, 38,298.40 and 17,679.26

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Solution

The fourth proportional to 27,754.95, 38,298.40 and 17,679.26 is: 24,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754.95 : 38,298.40 = 17,679.26 : x
  2. Step 2: Convert to fraction form
    27,754.95/38,298.40 = 17,679.26/x
  3. Step 3: Cross multiply
    27,754.95x = 38,298.40 × 17,679.26
  4. Step 4: Simplify right side
    27,754.95x = 677,087,179.69
  5. Step 5: Solve for x
    x = 677,087,179.69/27,754.95
  6. Step 6: Final answer
    x = 24,395.19

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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.