Home / 23,919.57-33,011.55-18,243.90

Finding the Fourth Proportional to 23,919.57, 33,011.55 and 18,243.90

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Solution

The fourth proportional to 23,919.57, 33,011.55 and 18,243.90 is: 25,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,919.57 : 33,011.55 = 18,243.90 : x
  2. Step 2: Convert to fraction form
    23,919.57/33,011.55 = 18,243.90/x
  3. Step 3: Cross multiply
    23,919.57x = 33,011.55 × 18,243.90
  4. Step 4: Simplify right side
    23,919.57x = 602,259,417.05
  5. Step 5: Solve for x
    x = 602,259,417.05/23,919.57
  6. Step 6: Final answer
    x = 25,178.52

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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.