Home / 13,616.36-20,435.72-7,044.56

Finding the Fourth Proportional to 13,616.36, 20,435.72 and 7,044.56

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Solution

The fourth proportional to 13,616.36, 20,435.72 and 7,044.56 is: 10,572.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,616.36 : 20,435.72 = 7,044.56 : x
  2. Step 2: Convert to fraction form
    13,616.36/20,435.72 = 7,044.56/x
  3. Step 3: Cross multiply
    13,616.36x = 20,435.72 × 7,044.56
  4. Step 4: Simplify right side
    13,616.36x = 143,960,655.68
  5. Step 5: Solve for x
    x = 143,960,655.68/13,616.36
  6. Step 6: Final answer
    x = 10,572.62

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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.