Home / 18,343.73-25,278.05-13,023.65

Finding the Fourth Proportional to 18,343.73, 25,278.05 and 13,023.65

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Solution

The fourth proportional to 18,343.73, 25,278.05 and 13,023.65 is: 17,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,343.73 : 25,278.05 = 13,023.65 : x
  2. Step 2: Convert to fraction form
    18,343.73/25,278.05 = 13,023.65/x
  3. Step 3: Cross multiply
    18,343.73x = 25,278.05 × 13,023.65
  4. Step 4: Simplify right side
    18,343.73x = 329,212,284.37
  5. Step 5: Solve for x
    x = 329,212,284.37/18,343.73
  6. Step 6: Final answer
    x = 17,946.86

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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.