Home / 13,965.52-20,947.74-4,731.52

Finding the Fourth Proportional to 13,965.52, 20,947.74 and 4,731.52

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Solution

The fourth proportional to 13,965.52, 20,947.74 and 4,731.52 is: 7,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.52 : 20,947.74 = 4,731.52 : x
  2. Step 2: Convert to fraction form
    13,965.52/20,947.74 = 4,731.52/x
  3. Step 3: Cross multiply
    13,965.52x = 20,947.74 × 4,731.52
  4. Step 4: Simplify right side
    13,965.52x = 99,114,650.76
  5. Step 5: Solve for x
    x = 99,114,650.76/13,965.52
  6. Step 6: Final answer
    x = 7,097.10

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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.