Home / 19,288.27-26,626.53-11,331.01

Finding the Fourth Proportional to 19,288.27, 26,626.53 and 11,331.01

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Solution

The fourth proportional to 19,288.27, 26,626.53 and 11,331.01 is: 15,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.27 : 26,626.53 = 11,331.01 : x
  2. Step 2: Convert to fraction form
    19,288.27/26,626.53 = 11,331.01/x
  3. Step 3: Cross multiply
    19,288.27x = 26,626.53 × 11,331.01
  4. Step 4: Simplify right side
    19,288.27x = 301,705,477.70
  5. Step 5: Solve for x
    x = 301,705,477.70/19,288.27
  6. Step 6: Final answer
    x = 15,641.91

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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.