Home / 19,729.48-27,195.06-13,354.06

Finding the Fourth Proportional to 19,729.48, 27,195.06 and 13,354.06

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Solution

The fourth proportional to 19,729.48, 27,195.06 and 13,354.06 is: 18,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.48 : 27,195.06 = 13,354.06 : x
  2. Step 2: Convert to fraction form
    19,729.48/27,195.06 = 13,354.06/x
  3. Step 3: Cross multiply
    19,729.48x = 27,195.06 × 13,354.06
  4. Step 4: Simplify right side
    19,729.48x = 363,164,462.94
  5. Step 5: Solve for x
    x = 363,164,462.94/19,729.48
  6. Step 6: Final answer
    x = 18,407.20

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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.