Home / 13,103.12-19,655.28-3,744.48

Finding the Fourth Proportional to 13,103.12, 19,655.28 and 3,744.48

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Solution

The fourth proportional to 13,103.12, 19,655.28 and 3,744.48 is: 5,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.12 : 19,655.28 = 3,744.48 : x
  2. Step 2: Convert to fraction form
    13,103.12/19,655.28 = 3,744.48/x
  3. Step 3: Cross multiply
    13,103.12x = 19,655.28 × 3,744.48
  4. Step 4: Simplify right side
    13,103.12x = 73,598,776.53
  5. Step 5: Solve for x
    x = 73,598,776.53/13,103.12
  6. Step 6: Final answer
    x = 5,616.89

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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.