Home / 19,949.67-27,530.73-10,997.50

Finding the Fourth Proportional to 19,949.67, 27,530.73 and 10,997.50

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Solution

The fourth proportional to 19,949.67, 27,530.73 and 10,997.50 is: 15,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.67 : 27,530.73 = 10,997.50 : x
  2. Step 2: Convert to fraction form
    19,949.67/27,530.73 = 10,997.50/x
  3. Step 3: Cross multiply
    19,949.67x = 27,530.73 × 10,997.50
  4. Step 4: Simplify right side
    19,949.67x = 302,769,134.35
  5. Step 5: Solve for x
    x = 302,769,134.35/19,949.67
  6. Step 6: Final answer
    x = 15,176.65

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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.