Home / 18,123.49-25,007.97-10,165.24

Finding the Fourth Proportional to 18,123.49, 25,007.97 and 10,165.24

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Solution

The fourth proportional to 18,123.49, 25,007.97 and 10,165.24 is: 14,026.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,123.49 : 25,007.97 = 10,165.24 : x
  2. Step 2: Convert to fraction form
    18,123.49/25,007.97 = 10,165.24/x
  3. Step 3: Cross multiply
    18,123.49x = 25,007.97 × 10,165.24
  4. Step 4: Simplify right side
    18,123.49x = 254,212,016.96
  5. Step 5: Solve for x
    x = 254,212,016.96/18,123.49
  6. Step 6: Final answer
    x = 14,026.66

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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.