Home / 13,192.59-19,791.84-4,427.28

Finding the Fourth Proportional to 13,192.59, 19,791.84 and 4,427.28

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Solution

The fourth proportional to 13,192.59, 19,791.84 and 4,427.28 is: 6,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.59 : 19,791.84 = 4,427.28 : x
  2. Step 2: Convert to fraction form
    13,192.59/19,791.84 = 4,427.28/x
  3. Step 3: Cross multiply
    13,192.59x = 19,791.84 × 4,427.28
  4. Step 4: Simplify right side
    13,192.59x = 87,624,017.40
  5. Step 5: Solve for x
    x = 87,624,017.40/13,192.59
  6. Step 6: Final answer
    x = 6,641.91

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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.