Home / 19,221.51-28,836.36-6,074.94

Finding the Fourth Proportional to 19,221.51, 28,836.36 and 6,074.94

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Solution

The fourth proportional to 19,221.51, 28,836.36 and 6,074.94 is: 9,113.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.51 : 28,836.36 = 6,074.94 : x
  2. Step 2: Convert to fraction form
    19,221.51/28,836.36 = 6,074.94/x
  3. Step 3: Cross multiply
    19,221.51x = 28,836.36 × 6,074.94
  4. Step 4: Simplify right side
    19,221.51x = 175,179,156.82
  5. Step 5: Solve for x
    x = 175,179,156.82/19,221.51
  6. Step 6: Final answer
    x = 9,113.70

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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.