Home / 18,517.26-25,554.52-10,559.28

Finding the Fourth Proportional to 18,517.26, 25,554.52 and 10,559.28

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Solution

The fourth proportional to 18,517.26, 25,554.52 and 10,559.28 is: 14,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.26 : 25,554.52 = 10,559.28 : x
  2. Step 2: Convert to fraction form
    18,517.26/25,554.52 = 10,559.28/x
  3. Step 3: Cross multiply
    18,517.26x = 25,554.52 × 10,559.28
  4. Step 4: Simplify right side
    18,517.26x = 269,837,331.95
  5. Step 5: Solve for x
    x = 269,837,331.95/18,517.26
  6. Step 6: Final answer
    x = 14,572.21

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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.