Home / 19,169.18-28,766.06-9,303.08

Finding the Fourth Proportional to 19,169.18, 28,766.06 and 9,303.08

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Solution

The fourth proportional to 19,169.18, 28,766.06 and 9,303.08 is: 13,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.18 : 28,766.06 = 9,303.08 : x
  2. Step 2: Convert to fraction form
    19,169.18/28,766.06 = 9,303.08/x
  3. Step 3: Cross multiply
    19,169.18x = 28,766.06 × 9,303.08
  4. Step 4: Simplify right side
    19,169.18x = 267,612,767.12
  5. Step 5: Solve for x
    x = 267,612,767.12/19,169.18
  6. Step 6: Final answer
    x = 13,960.58

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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.