Home / 23,165.11-31,967.49-12,554.65

Finding the Fourth Proportional to 23,165.11, 31,967.49 and 12,554.65

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Solution

The fourth proportional to 23,165.11, 31,967.49 and 12,554.65 is: 17,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,165.11 : 31,967.49 = 12,554.65 : x
  2. Step 2: Convert to fraction form
    23,165.11/31,967.49 = 12,554.65/x
  3. Step 3: Cross multiply
    23,165.11x = 31,967.49 × 12,554.65
  4. Step 4: Simplify right side
    23,165.11x = 401,340,648.33
  5. Step 5: Solve for x
    x = 401,340,648.33/23,165.11
  6. Step 6: Final answer
    x = 17,325.22

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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.