Home / 25,491.78-35,178.17-14,161.23

Finding the Fourth Proportional to 25,491.78, 35,178.17 and 14,161.23

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Solution

The fourth proportional to 25,491.78, 35,178.17 and 14,161.23 is: 19,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.78 : 35,178.17 = 14,161.23 : x
  2. Step 2: Convert to fraction form
    25,491.78/35,178.17 = 14,161.23/x
  3. Step 3: Cross multiply
    25,491.78x = 35,178.17 × 14,161.23
  4. Step 4: Simplify right side
    25,491.78x = 498,166,085.54
  5. Step 5: Solve for x
    x = 498,166,085.54/25,491.78
  6. Step 6: Final answer
    x = 19,542.22

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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.