Home / 26,508.87-36,554.49-19,783.71

Finding the Fourth Proportional to 26,508.87, 36,554.49 and 19,783.71

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Solution

The fourth proportional to 26,508.87, 36,554.49 and 19,783.71 is: 27,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.87 : 36,554.49 = 19,783.71 : x
  2. Step 2: Convert to fraction form
    26,508.87/36,554.49 = 19,783.71/x
  3. Step 3: Cross multiply
    26,508.87x = 36,554.49 × 19,783.71
  4. Step 4: Simplify right side
    26,508.87x = 723,183,429.36
  5. Step 5: Solve for x
    x = 723,183,429.36/26,508.87
  6. Step 6: Final answer
    x = 27,280.81

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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.