Home / 13,650.48-20,448.57-10,519.59

Finding the Fourth Proportional to 13,650.48, 20,448.57 and 10,519.59

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Solution

The fourth proportional to 13,650.48, 20,448.57 and 10,519.59 is: 15,758.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.48 : 20,448.57 = 10,519.59 : x
  2. Step 2: Convert to fraction form
    13,650.48/20,448.57 = 10,519.59/x
  3. Step 3: Cross multiply
    13,650.48x = 20,448.57 × 10,519.59
  4. Step 4: Simplify right side
    13,650.48x = 215,110,572.49
  5. Step 5: Solve for x
    x = 215,110,572.49/13,650.48
  6. Step 6: Final answer
    x = 15,758.46

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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.