Home / 23,775.45-32,810.12-13,165.77

Finding the Fourth Proportional to 23,775.45, 32,810.12 and 13,165.77

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Solution

The fourth proportional to 23,775.45, 32,810.12 and 13,165.77 is: 18,168.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,775.45 : 32,810.12 = 13,165.77 : x
  2. Step 2: Convert to fraction form
    23,775.45/32,810.12 = 13,165.77/x
  3. Step 3: Cross multiply
    23,775.45x = 32,810.12 × 13,165.77
  4. Step 4: Simplify right side
    23,775.45x = 431,970,493.59
  5. Step 5: Solve for x
    x = 431,970,493.59/23,775.45
  6. Step 6: Final answer
    x = 18,168.76

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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.