Home / 13,281.57-19,929.92-4,967.37

Finding the Fourth Proportional to 13,281.57, 19,929.92 and 4,967.37

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Solution

The fourth proportional to 13,281.57, 19,929.92 and 4,967.37 is: 7,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.57 : 19,929.92 = 4,967.37 : x
  2. Step 2: Convert to fraction form
    13,281.57/19,929.92 = 4,967.37/x
  3. Step 3: Cross multiply
    13,281.57x = 19,929.92 × 4,967.37
  4. Step 4: Simplify right side
    13,281.57x = 98,999,261.87
  5. Step 5: Solve for x
    x = 98,999,261.87/13,281.57
  6. Step 6: Final answer
    x = 7,453.88

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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.