Home / 13,752.24-20,629.46-4,393.58

Finding the Fourth Proportional to 13,752.24, 20,629.46 and 4,393.58

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Solution

The fourth proportional to 13,752.24, 20,629.46 and 4,393.58 is: 6,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752.24 : 20,629.46 = 4,393.58 : x
  2. Step 2: Convert to fraction form
    13,752.24/20,629.46 = 4,393.58/x
  3. Step 3: Cross multiply
    13,752.24x = 20,629.46 × 4,393.58
  4. Step 4: Simplify right side
    13,752.24x = 90,637,057.75
  5. Step 5: Solve for x
    x = 90,637,057.75/13,752.24
  6. Step 6: Final answer
    x = 6,590.71

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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.