Home / 19,288.28-26,626.44-11,331.02

Finding the Fourth Proportional to 19,288.28, 26,626.44 and 11,331.02

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Solution

The fourth proportional to 19,288.28, 26,626.44 and 11,331.02 is: 15,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.28 : 26,626.44 = 11,331.02 : x
  2. Step 2: Convert to fraction form
    19,288.28/26,626.44 = 11,331.02/x
  3. Step 3: Cross multiply
    19,288.28x = 26,626.44 × 11,331.02
  4. Step 4: Simplify right side
    19,288.28x = 301,704,724.17
  5. Step 5: Solve for x
    x = 301,704,724.17/19,288.28
  6. Step 6: Final answer
    x = 15,641.87

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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.