Home / 26,121.78-36,047.57-14,791.10

Finding the Fourth Proportional to 26,121.78, 36,047.57 and 14,791.10

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Solution

The fourth proportional to 26,121.78, 36,047.57 and 14,791.10 is: 20,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,121.78 : 36,047.57 = 14,791.10 : x
  2. Step 2: Convert to fraction form
    26,121.78/36,047.57 = 14,791.10/x
  3. Step 3: Cross multiply
    26,121.78x = 36,047.57 × 14,791.10
  4. Step 4: Simplify right side
    26,121.78x = 533,182,958.43
  5. Step 5: Solve for x
    x = 533,182,958.43/26,121.78
  6. Step 6: Final answer
    x = 20,411.43

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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.