Home / 19,034.28-28,584.08-11,681.90

Finding the Fourth Proportional to 19,034.28, 28,584.08 and 11,681.90

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Solution

The fourth proportional to 19,034.28, 28,584.08 and 11,681.90 is: 17,542.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,034.28 : 28,584.08 = 11,681.90 : x
  2. Step 2: Convert to fraction form
    19,034.28/28,584.08 = 11,681.90/x
  3. Step 3: Cross multiply
    19,034.28x = 28,584.08 × 11,681.90
  4. Step 4: Simplify right side
    19,034.28x = 333,916,364.15
  5. Step 5: Solve for x
    x = 333,916,364.15/19,034.28
  6. Step 6: Final answer
    x = 17,542.89

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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.