Home / 19,444.88-26,825.52-11,891.56

Finding the Fourth Proportional to 19,444.88, 26,825.52 and 11,891.56

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Solution

The fourth proportional to 19,444.88, 26,825.52 and 11,891.56 is: 16,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,444.88 : 26,825.52 = 11,891.56 : x
  2. Step 2: Convert to fraction form
    19,444.88/26,825.52 = 11,891.56/x
  3. Step 3: Cross multiply
    19,444.88x = 26,825.52 × 11,891.56
  4. Step 4: Simplify right side
    19,444.88x = 318,997,280.61
  5. Step 5: Solve for x
    x = 318,997,280.61/19,444.88
  6. Step 6: Final answer
    x = 16,405.21

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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.