Home / 20,250.99-27,946.28-11,297.95

Finding the Fourth Proportional to 20,250.99, 27,946.28 and 11,297.95

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Solution

The fourth proportional to 20,250.99, 27,946.28 and 11,297.95 is: 15,591.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250.99 : 27,946.28 = 11,297.95 : x
  2. Step 2: Convert to fraction form
    20,250.99/27,946.28 = 11,297.95/x
  3. Step 3: Cross multiply
    20,250.99x = 27,946.28 × 11,297.95
  4. Step 4: Simplify right side
    20,250.99x = 315,735,632.51
  5. Step 5: Solve for x
    x = 315,735,632.51/20,250.99
  6. Step 6: Final answer
    x = 15,591.12

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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.