Home / 23,332.14-32,198.70-12,721.78

Finding the Fourth Proportional to 23,332.14, 32,198.70 and 12,721.78

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Solution

The fourth proportional to 23,332.14, 32,198.70 and 12,721.78 is: 17,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,332.14 : 32,198.70 = 12,721.78 : x
  2. Step 2: Convert to fraction form
    23,332.14/32,198.70 = 12,721.78/x
  3. Step 3: Cross multiply
    23,332.14x = 32,198.70 × 12,721.78
  4. Step 4: Simplify right side
    23,332.14x = 409,624,777.69
  5. Step 5: Solve for x
    x = 409,624,777.69/23,332.14
  6. Step 6: Final answer
    x = 17,556.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.