Home / 18,836.96-25,995.33-10,338.57

Finding the Fourth Proportional to 18,836.96, 25,995.33 and 10,338.57

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Solution

The fourth proportional to 18,836.96, 25,995.33 and 10,338.57 is: 14,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.96 : 25,995.33 = 10,338.57 : x
  2. Step 2: Convert to fraction form
    18,836.96/25,995.33 = 10,338.57/x
  3. Step 3: Cross multiply
    18,836.96x = 25,995.33 × 10,338.57
  4. Step 4: Simplify right side
    18,836.96x = 268,754,538.88
  5. Step 5: Solve for x
    x = 268,754,538.88/18,836.96
  6. Step 6: Final answer
    x = 14,267.41

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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.