Home / 13,550.68-20,320.97-4,663.52

Finding the Fourth Proportional to 13,550.68, 20,320.97 and 4,663.52

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Solution

The fourth proportional to 13,550.68, 20,320.97 and 4,663.52 is: 6,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.68 : 20,320.97 = 4,663.52 : x
  2. Step 2: Convert to fraction form
    13,550.68/20,320.97 = 4,663.52/x
  3. Step 3: Cross multiply
    13,550.68x = 20,320.97 × 4,663.52
  4. Step 4: Simplify right side
    13,550.68x = 94,767,315.60
  5. Step 5: Solve for x
    x = 94,767,315.60/13,550.68
  6. Step 6: Final answer
    x = 6,993.55

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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.