Home / 13,083.22-19,618.68-4,757.36

Finding the Fourth Proportional to 13,083.22, 19,618.68 and 4,757.36

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Solution

The fourth proportional to 13,083.22, 19,618.68 and 4,757.36 is: 7,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.22 : 19,618.68 = 4,757.36 : x
  2. Step 2: Convert to fraction form
    13,083.22/19,618.68 = 4,757.36/x
  3. Step 3: Cross multiply
    13,083.22x = 19,618.68 × 4,757.36
  4. Step 4: Simplify right side
    13,083.22x = 93,333,123.48
  5. Step 5: Solve for x
    x = 93,333,123.48/13,083.22
  6. Step 6: Final answer
    x = 7,133.80

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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.