Home / 19,897.23-27,462.07-11,405.04

Finding the Fourth Proportional to 19,897.23, 27,462.07 and 11,405.04

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Solution

The fourth proportional to 19,897.23, 27,462.07 and 11,405.04 is: 15,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,897.23 : 27,462.07 = 11,405.04 : x
  2. Step 2: Convert to fraction form
    19,897.23/27,462.07 = 11,405.04/x
  3. Step 3: Cross multiply
    19,897.23x = 27,462.07 × 11,405.04
  4. Step 4: Simplify right side
    19,897.23x = 313,206,021.09
  5. Step 5: Solve for x
    x = 313,206,021.09/19,897.23
  6. Step 6: Final answer
    x = 15,741.19

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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.