Home / 23,164.18-31,966.65-12,553.79

Finding the Fourth Proportional to 23,164.18, 31,966.65 and 12,553.79

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Solution

The fourth proportional to 23,164.18, 31,966.65 and 12,553.79 is: 17,324.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,164.18 : 31,966.65 = 12,553.79 : x
  2. Step 2: Convert to fraction form
    23,164.18/31,966.65 = 12,553.79/x
  3. Step 3: Cross multiply
    23,164.18x = 31,966.65 × 12,553.79
  4. Step 4: Simplify right side
    23,164.18x = 401,302,451.27
  5. Step 5: Solve for x
    x = 401,302,451.27/23,164.18
  6. Step 6: Final answer
    x = 17,324.27

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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.