Home / 13,963.77-20,948.59-4,102.22

Finding the Fourth Proportional to 13,963.77, 20,948.59 and 4,102.22

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Solution

The fourth proportional to 13,963.77, 20,948.59 and 4,102.22 is: 6,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.77 : 20,948.59 = 4,102.22 : x
  2. Step 2: Convert to fraction form
    13,963.77/20,948.59 = 4,102.22/x
  3. Step 3: Cross multiply
    13,963.77x = 20,948.59 × 4,102.22
  4. Step 4: Simplify right side
    13,963.77x = 85,935,724.87
  5. Step 5: Solve for x
    x = 85,935,724.87/13,963.77
  6. Step 6: Final answer
    x = 6,154.19

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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.