Home / 22,676.36-31,260.39-15,849.18

Finding the Fourth Proportional to 22,676.36, 31,260.39 and 15,849.18

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Solution

The fourth proportional to 22,676.36, 31,260.39 and 15,849.18 is: 21,848.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,676.36 : 31,260.39 = 15,849.18 : x
  2. Step 2: Convert to fraction form
    22,676.36/31,260.39 = 15,849.18/x
  3. Step 3: Cross multiply
    22,676.36x = 31,260.39 × 15,849.18
  4. Step 4: Simplify right side
    22,676.36x = 495,451,547.98
  5. Step 5: Solve for x
    x = 495,451,547.98/22,676.36
  6. Step 6: Final answer
    x = 21,848.82

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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.