Home / 23,750.80-32,775.96-13,140.21

Finding the Fourth Proportional to 23,750.80, 32,775.96 and 13,140.21

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Solution

The fourth proportional to 23,750.80, 32,775.96 and 13,140.21 is: 18,133.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,750.80 : 32,775.96 = 13,140.21 : x
  2. Step 2: Convert to fraction form
    23,750.80/32,775.96 = 13,140.21/x
  3. Step 3: Cross multiply
    23,750.80x = 32,775.96 × 13,140.21
  4. Step 4: Simplify right side
    23,750.80x = 430,682,997.35
  5. Step 5: Solve for x
    x = 430,682,997.35/23,750.80
  6. Step 6: Final answer
    x = 18,133.41

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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.