Home / 23,775.45-32,810.10-13,165.75

Finding the Fourth Proportional to 23,775.45, 32,810.10 and 13,165.75

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Solution

The fourth proportional to 23,775.45, 32,810.10 and 13,165.75 is: 18,168.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,775.45 : 32,810.10 = 13,165.75 : x
  2. Step 2: Convert to fraction form
    23,775.45/32,810.10 = 13,165.75/x
  3. Step 3: Cross multiply
    23,775.45x = 32,810.10 × 13,165.75
  4. Step 4: Simplify right side
    23,775.45x = 431,969,574.08
  5. Step 5: Solve for x
    x = 431,969,574.08/23,775.45
  6. Step 6: Final answer
    x = 18,168.72

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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.