Home / 19,471.27-26,866.32-12,395.11

Finding the Fourth Proportional to 19,471.27, 26,866.32 and 12,395.11

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Solution

The fourth proportional to 19,471.27, 26,866.32 and 12,395.11 is: 17,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.27 : 26,866.32 = 12,395.11 : x
  2. Step 2: Convert to fraction form
    19,471.27/26,866.32 = 12,395.11/x
  3. Step 3: Cross multiply
    19,471.27x = 26,866.32 × 12,395.11
  4. Step 4: Simplify right side
    19,471.27x = 333,010,991.70
  5. Step 5: Solve for x
    x = 333,010,991.70/19,471.27
  6. Step 6: Final answer
    x = 17,102.68

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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.