Home / 19,288.25-26,616.52-10,788.90

Finding the Fourth Proportional to 19,288.25, 26,616.52 and 10,788.90

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Solution

The fourth proportional to 19,288.25, 26,616.52 and 10,788.90 is: 14,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.25 : 26,616.52 = 10,788.90 : x
  2. Step 2: Convert to fraction form
    19,288.25/26,616.52 = 10,788.90/x
  3. Step 3: Cross multiply
    19,288.25x = 26,616.52 × 10,788.90
  4. Step 4: Simplify right side
    19,288.25x = 287,162,972.63
  5. Step 5: Solve for x
    x = 287,162,972.63/19,288.25
  6. Step 6: Final answer
    x = 14,887.97

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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.