Home / 13,301.40-19,954.98-6,641.48

Finding the Fourth Proportional to 13,301.40, 19,954.98 and 6,641.48

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Solution

The fourth proportional to 13,301.40, 19,954.98 and 6,641.48 is: 9,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.40 : 19,954.98 = 6,641.48 : x
  2. Step 2: Convert to fraction form
    13,301.40/19,954.98 = 6,641.48/x
  3. Step 3: Cross multiply
    13,301.40x = 19,954.98 × 6,641.48
  4. Step 4: Simplify right side
    13,301.40x = 132,530,600.57
  5. Step 5: Solve for x
    x = 132,530,600.57/13,301.40
  6. Step 6: Final answer
    x = 9,963.66

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1.5x scale

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.