Home / 26,812.78-37,004.92-15,482.25

Finding the Fourth Proportional to 26,812.78, 37,004.92 and 15,482.25

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Solution

The fourth proportional to 26,812.78, 37,004.92 and 15,482.25 is: 21,367.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812.78 : 37,004.92 = 15,482.25 : x
  2. Step 2: Convert to fraction form
    26,812.78/37,004.92 = 15,482.25/x
  3. Step 3: Cross multiply
    26,812.78x = 37,004.92 × 15,482.25
  4. Step 4: Simplify right side
    26,812.78x = 572,919,245.20
  5. Step 5: Solve for x
    x = 572,919,245.20/26,812.78
  6. Step 6: Final answer
    x = 21,367.39

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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.