Home / 27,983.15-38,604.48-18,410.73

Finding the Fourth Proportional to 27,983.15, 38,604.48 and 18,410.73

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Solution

The fourth proportional to 27,983.15, 38,604.48 and 18,410.73 is: 25,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,983.15 : 38,604.48 = 18,410.73 : x
  2. Step 2: Convert to fraction form
    27,983.15/38,604.48 = 18,410.73/x
  3. Step 3: Cross multiply
    27,983.15x = 38,604.48 × 18,410.73
  4. Step 4: Simplify right side
    27,983.15x = 710,736,658.07
  5. Step 5: Solve for x
    x = 710,736,658.07/27,983.15
  6. Step 6: Final answer
    x = 25,398.74

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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.