Home / 13,278.33-19,862.01-9,329.31

Finding the Fourth Proportional to 13,278.33, 19,862.01 and 9,329.31

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Solution

The fourth proportional to 13,278.33, 19,862.01 and 9,329.31 is: 13,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278.33 : 19,862.01 = 9,329.31 : x
  2. Step 2: Convert to fraction form
    13,278.33/19,862.01 = 9,329.31/x
  3. Step 3: Cross multiply
    13,278.33x = 19,862.01 × 9,329.31
  4. Step 4: Simplify right side
    13,278.33x = 185,298,848.51
  5. Step 5: Solve for x
    x = 185,298,848.51/13,278.33
  6. Step 6: Final answer
    x = 13,954.98

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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.