Home / 19,189.47-28,789.95-11,599.22

Finding the Fourth Proportional to 19,189.47, 28,789.95 and 11,599.22

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Solution

The fourth proportional to 19,189.47, 28,789.95 and 11,599.22 is: 17,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,189.47 : 28,789.95 = 11,599.22 : x
  2. Step 2: Convert to fraction form
    19,189.47/28,789.95 = 11,599.22/x
  3. Step 3: Cross multiply
    19,189.47x = 28,789.95 × 11,599.22
  4. Step 4: Simplify right side
    19,189.47x = 333,940,819.89
  5. Step 5: Solve for x
    x = 333,940,819.89/19,189.47
  6. Step 6: Final answer
    x = 17,402.30

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1.5x scale

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.