Home / 19,490.28-26,896.23-11,935.41

Finding the Fourth Proportional to 19,490.28, 26,896.23 and 11,935.41

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Solution

The fourth proportional to 19,490.28, 26,896.23 and 11,935.41 is: 16,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.28 : 26,896.23 = 11,935.41 : x
  2. Step 2: Convert to fraction form
    19,490.28/26,896.23 = 11,935.41/x
  3. Step 3: Cross multiply
    19,490.28x = 26,896.23 × 11,935.41
  4. Step 4: Simplify right side
    19,490.28x = 321,017,532.50
  5. Step 5: Solve for x
    x = 321,017,532.50/19,490.28
  6. Step 6: Final answer
    x = 16,470.65

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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.