Home / 18,126.36-25,012.71-10,167.08

Finding the Fourth Proportional to 18,126.36, 25,012.71 and 10,167.08

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Solution

The fourth proportional to 18,126.36, 25,012.71 and 10,167.08 is: 14,029.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.36 : 25,012.71 = 10,167.08 : x
  2. Step 2: Convert to fraction form
    18,126.36/25,012.71 = 10,167.08/x
  3. Step 3: Cross multiply
    18,126.36x = 25,012.71 × 10,167.08
  4. Step 4: Simplify right side
    18,126.36x = 254,306,098.52
  5. Step 5: Solve for x
    x = 254,306,098.52/18,126.36
  6. Step 6: Final answer
    x = 14,029.63

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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.