Home / 27,695.94-38,229.72-18,018.45

Finding the Fourth Proportional to 27,695.94, 38,229.72 and 18,018.45

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Solution

The fourth proportional to 27,695.94, 38,229.72 and 18,018.45 is: 24,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,695.94 : 38,229.72 = 18,018.45 : x
  2. Step 2: Convert to fraction form
    27,695.94/38,229.72 = 18,018.45/x
  3. Step 3: Cross multiply
    27,695.94x = 38,229.72 × 18,018.45
  4. Step 4: Simplify right side
    27,695.94x = 688,840,298.33
  5. Step 5: Solve for x
    x = 688,840,298.33/27,695.94
  6. Step 6: Final answer
    x = 24,871.53

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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.