Home / 19,521.77-26,940.80-11,025.68

Finding the Fourth Proportional to 19,521.77, 26,940.80 and 11,025.68

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Solution

The fourth proportional to 19,521.77, 26,940.80 and 11,025.68 is: 15,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521.77 : 26,940.80 = 11,025.68 : x
  2. Step 2: Convert to fraction form
    19,521.77/26,940.80 = 11,025.68/x
  3. Step 3: Cross multiply
    19,521.77x = 26,940.80 × 11,025.68
  4. Step 4: Simplify right side
    19,521.77x = 297,040,532.60
  5. Step 5: Solve for x
    x = 297,040,532.60/19,521.77
  6. Step 6: Final answer
    x = 15,215.86

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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.