Home / 23,775.75-32,810.13-13,165.15

Finding the Fourth Proportional to 23,775.75, 32,810.13 and 13,165.15

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Solution

The fourth proportional to 23,775.75, 32,810.13 and 13,165.15 is: 18,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,775.75 : 32,810.13 = 13,165.15 : x
  2. Step 2: Convert to fraction form
    23,775.75/32,810.13 = 13,165.15/x
  3. Step 3: Cross multiply
    23,775.75x = 32,810.13 × 13,165.15
  4. Step 4: Simplify right side
    23,775.75x = 431,950,428.65
  5. Step 5: Solve for x
    x = 431,950,428.65/23,775.75
  6. Step 6: Final answer
    x = 18,167.69

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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.