Home / 19,382.82-29,077.86-9,519.48

Finding the Fourth Proportional to 19,382.82, 29,077.86 and 9,519.48

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Solution

The fourth proportional to 19,382.82, 29,077.86 and 9,519.48 is: 14,281.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.82 : 29,077.86 = 9,519.48 : x
  2. Step 2: Convert to fraction form
    19,382.82/29,077.86 = 9,519.48/x
  3. Step 3: Cross multiply
    19,382.82x = 29,077.86 × 9,519.48
  4. Step 4: Simplify right side
    19,382.82x = 276,806,106.71
  5. Step 5: Solve for x
    x = 276,806,106.71/19,382.82
  6. Step 6: Final answer
    x = 14,281.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.