Home / 18,824.67-25,977.11-10,866.42

Finding the Fourth Proportional to 18,824.67, 25,977.11 and 10,866.42

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Solution

The fourth proportional to 18,824.67, 25,977.11 and 10,866.42 is: 14,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.67 : 25,977.11 = 10,866.42 : x
  2. Step 2: Convert to fraction form
    18,824.67/25,977.11 = 10,866.42/x
  3. Step 3: Cross multiply
    18,824.67x = 25,977.11 × 10,866.42
  4. Step 4: Simplify right side
    18,824.67x = 282,278,133.31
  5. Step 5: Solve for x
    x = 282,278,133.31/18,824.67
  6. Step 6: Final answer
    x = 14,995.12

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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.