Home / 13,248.22-19,872.65-3,887.25

Finding the Fourth Proportional to 13,248.22, 19,872.65 and 3,887.25

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Solution

The fourth proportional to 13,248.22, 19,872.65 and 3,887.25 is: 5,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,248.22 : 19,872.65 = 3,887.25 : x
  2. Step 2: Convert to fraction form
    13,248.22/19,872.65 = 3,887.25/x
  3. Step 3: Cross multiply
    13,248.22x = 19,872.65 × 3,887.25
  4. Step 4: Simplify right side
    13,248.22x = 77,249,968.43
  5. Step 5: Solve for x
    x = 77,249,968.43/13,248.22
  6. Step 6: Final answer
    x = 5,830.97

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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.