Home / 15,766.26-21,755.84-9,050.28

Finding the Fourth Proportional to 15,766.26, 21,755.84 and 9,050.28

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Solution

The fourth proportional to 15,766.26, 21,755.84 and 9,050.28 is: 12,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.26 : 21,755.84 = 9,050.28 : x
  2. Step 2: Convert to fraction form
    15,766.26/21,755.84 = 9,050.28/x
  3. Step 3: Cross multiply
    15,766.26x = 21,755.84 × 9,050.28
  4. Step 4: Simplify right side
    15,766.26x = 196,896,443.64
  5. Step 5: Solve for x
    x = 196,896,443.64/15,766.26
  6. Step 6: Final answer
    x = 12,488.47

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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.