Home / 18,205.11-25,123.11-10,247.46

Finding the Fourth Proportional to 18,205.11, 25,123.11 and 10,247.46

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Solution

The fourth proportional to 18,205.11, 25,123.11 and 10,247.46 is: 14,141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205.11 : 25,123.11 = 10,247.46 : x
  2. Step 2: Convert to fraction form
    18,205.11/25,123.11 = 10,247.46/x
  3. Step 3: Cross multiply
    18,205.11x = 25,123.11 × 10,247.46
  4. Step 4: Simplify right side
    18,205.11x = 257,448,064.80
  5. Step 5: Solve for x
    x = 257,448,064.80/18,205.11
  6. Step 6: Final answer
    x = 14,141.53

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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.