Home / 39,855.06-59,786.28-11,775.06

Finding the Fourth Proportional to 39,855.06, 59,786.28 and 11,775.06

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Solution

The fourth proportional to 39,855.06, 59,786.28 and 11,775.06 is: 17,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,855.06 : 59,786.28 = 11,775.06 : x
  2. Step 2: Convert to fraction form
    39,855.06/59,786.28 = 11,775.06/x
  3. Step 3: Cross multiply
    39,855.06x = 59,786.28 × 11,775.06
  4. Step 4: Simplify right side
    39,855.06x = 703,987,034.18
  5. Step 5: Solve for x
    x = 703,987,034.18/39,855.06
  6. Step 6: Final answer
    x = 17,663.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.