Home / 15,147.59-20,896.49-10,673.80

Finding the Fourth Proportional to 15,147.59, 20,896.49 and 10,673.80

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Solution

The fourth proportional to 15,147.59, 20,896.49 and 10,673.80 is: 14,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.59 : 20,896.49 = 10,673.80 : x
  2. Step 2: Convert to fraction form
    15,147.59/20,896.49 = 10,673.80/x
  3. Step 3: Cross multiply
    15,147.59x = 20,896.49 × 10,673.80
  4. Step 4: Simplify right side
    15,147.59x = 223,045,007.77
  5. Step 5: Solve for x
    x = 223,045,007.77/15,147.59
  6. Step 6: Final answer
    x = 14,724.79

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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.