Home / 19,900.06-27,462.68-11,404.88

Finding the Fourth Proportional to 19,900.06, 27,462.68 and 11,404.88

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Solution

The fourth proportional to 19,900.06, 27,462.68 and 11,404.88 is: 15,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.06 : 27,462.68 = 11,404.88 : x
  2. Step 2: Convert to fraction form
    19,900.06/27,462.68 = 11,404.88/x
  3. Step 3: Cross multiply
    19,900.06x = 27,462.68 × 11,404.88
  4. Step 4: Simplify right side
    19,900.06x = 313,208,569.88
  5. Step 5: Solve for x
    x = 313,208,569.88/19,900.06
  6. Step 6: Final answer
    x = 15,739.08

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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.