Home / 13,963.72-20,947.50-4,732.36

Finding the Fourth Proportional to 13,963.72, 20,947.50 and 4,732.36

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Solution

The fourth proportional to 13,963.72, 20,947.50 and 4,732.36 is: 7,099.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.72 : 20,947.50 = 4,732.36 : x
  2. Step 2: Convert to fraction form
    13,963.72/20,947.50 = 4,732.36/x
  3. Step 3: Cross multiply
    13,963.72x = 20,947.50 × 4,732.36
  4. Step 4: Simplify right side
    13,963.72x = 99,131,111.10
  5. Step 5: Solve for x
    x = 99,131,111.10/13,963.72
  6. Step 6: Final answer
    x = 7,099.19

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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.