Home / 27,905.06-38,494.68-17,822.90

Finding the Fourth Proportional to 27,905.06, 38,494.68 and 17,822.90

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Solution

The fourth proportional to 27,905.06, 38,494.68 and 17,822.90 is: 24,586.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.06 : 38,494.68 = 17,822.90 : x
  2. Step 2: Convert to fraction form
    27,905.06/38,494.68 = 17,822.90/x
  3. Step 3: Cross multiply
    27,905.06x = 38,494.68 × 17,822.90
  4. Step 4: Simplify right side
    27,905.06x = 686,086,832.17
  5. Step 5: Solve for x
    x = 686,086,832.17/27,905.06
  6. Step 6: Final answer
    x = 24,586.47

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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.