Home / 22,983.68-31,676.64-19,788.74

Finding the Fourth Proportional to 22,983.68, 31,676.64 and 19,788.74

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Solution

The fourth proportional to 22,983.68, 31,676.64 and 19,788.74 is: 27,273.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,983.68 : 31,676.64 = 19,788.74 : x
  2. Step 2: Convert to fraction form
    22,983.68/31,676.64 = 19,788.74/x
  3. Step 3: Cross multiply
    22,983.68x = 31,676.64 × 19,788.74
  4. Step 4: Simplify right side
    22,983.68x = 626,840,793.03
  5. Step 5: Solve for x
    x = 626,840,793.03/22,983.68
  6. Step 6: Final answer
    x = 27,273.30

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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.