Home / 19,356.10-26,711.94-11,396.86

Finding the Fourth Proportional to 19,356.10, 26,711.94 and 11,396.86

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Solution

The fourth proportional to 19,356.10, 26,711.94 and 11,396.86 is: 15,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.10 : 26,711.94 = 11,396.86 : x
  2. Step 2: Convert to fraction form
    19,356.10/26,711.94 = 11,396.86/x
  3. Step 3: Cross multiply
    19,356.10x = 26,711.94 × 11,396.86
  4. Step 4: Simplify right side
    19,356.10x = 304,432,240.51
  5. Step 5: Solve for x
    x = 304,432,240.51/19,356.10
  6. Step 6: Final answer
    x = 15,727.97

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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.