Home / 13,488.42-20,233.24-9,772.95

Finding the Fourth Proportional to 13,488.42, 20,233.24 and 9,772.95

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Solution

The fourth proportional to 13,488.42, 20,233.24 and 9,772.95 is: 14,659.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.42 : 20,233.24 = 9,772.95 : x
  2. Step 2: Convert to fraction form
    13,488.42/20,233.24 = 9,772.95/x
  3. Step 3: Cross multiply
    13,488.42x = 20,233.24 × 9,772.95
  4. Step 4: Simplify right side
    13,488.42x = 197,738,393.99
  5. Step 5: Solve for x
    x = 197,738,393.99/13,488.42
  6. Step 6: Final answer
    x = 14,659.86

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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.