Home / 19,118.22-26,382.19-10,620.88

Finding the Fourth Proportional to 19,118.22, 26,382.19 and 10,620.88

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Solution

The fourth proportional to 19,118.22, 26,382.19 and 10,620.88 is: 14,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,118.22 : 26,382.19 = 10,620.88 : x
  2. Step 2: Convert to fraction form
    19,118.22/26,382.19 = 10,620.88/x
  3. Step 3: Cross multiply
    19,118.22x = 26,382.19 × 10,620.88
  4. Step 4: Simplify right side
    19,118.22x = 280,202,074.13
  5. Step 5: Solve for x
    x = 280,202,074.13/19,118.22
  6. Step 6: Final answer
    x = 14,656.28

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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.