Home / 13,266.80-19,907.16-5,876.36

Finding the Fourth Proportional to 13,266.80, 19,907.16 and 5,876.36

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Solution

The fourth proportional to 13,266.80, 19,907.16 and 5,876.36 is: 8,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.80 : 19,907.16 = 5,876.36 : x
  2. Step 2: Convert to fraction form
    13,266.80/19,907.16 = 5,876.36/x
  3. Step 3: Cross multiply
    13,266.80x = 19,907.16 × 5,876.36
  4. Step 4: Simplify right side
    13,266.80x = 116,981,638.74
  5. Step 5: Solve for x
    x = 116,981,638.74/13,266.80
  6. Step 6: Final answer
    x = 8,817.62

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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.