Home / 19,244.40-28,893.14-13,306.56

Finding the Fourth Proportional to 19,244.40, 28,893.14 and 13,306.56

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Solution

The fourth proportional to 19,244.40, 28,893.14 and 13,306.56 is: 19,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,244.40 : 28,893.14 = 13,306.56 : x
  2. Step 2: Convert to fraction form
    19,244.40/28,893.14 = 13,306.56/x
  3. Step 3: Cross multiply
    19,244.40x = 28,893.14 × 13,306.56
  4. Step 4: Simplify right side
    19,244.40x = 384,468,301.00
  5. Step 5: Solve for x
    x = 384,468,301.00/19,244.40
  6. Step 6: Final answer
    x = 19,978.19

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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.