Home / 19,711.58-29,573.45-11,822.86

Finding the Fourth Proportional to 19,711.58, 29,573.45 and 11,822.86

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Solution

The fourth proportional to 19,711.58, 29,573.45 and 11,822.86 is: 17,737.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711.58 : 29,573.45 = 11,822.86 : x
  2. Step 2: Convert to fraction form
    19,711.58/29,573.45 = 11,822.86/x
  3. Step 3: Cross multiply
    19,711.58x = 29,573.45 × 11,822.86
  4. Step 4: Simplify right side
    19,711.58x = 349,642,552.09
  5. Step 5: Solve for x
    x = 349,642,552.09/19,711.58
  6. Step 6: Final answer
    x = 17,737.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.