Home / 19,729.63-27,227.70-11,346.13

Finding the Fourth Proportional to 19,729.63, 27,227.70 and 11,346.13

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Solution

The fourth proportional to 19,729.63, 27,227.70 and 11,346.13 is: 15,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.63 : 27,227.70 = 11,346.13 : x
  2. Step 2: Convert to fraction form
    19,729.63/27,227.70 = 11,346.13/x
  3. Step 3: Cross multiply
    19,729.63x = 27,227.70 × 11,346.13
  4. Step 4: Simplify right side
    19,729.63x = 308,928,830.93
  5. Step 5: Solve for x
    x = 308,928,830.93/19,729.63
  6. Step 6: Final answer
    x = 15,658.12

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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.