Home / 13,227.59-19,836.36-4,340.77

Finding the Fourth Proportional to 13,227.59, 19,836.36 and 4,340.77

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Solution

The fourth proportional to 13,227.59, 19,836.36 and 4,340.77 is: 6,509.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.59 : 19,836.36 = 4,340.77 : x
  2. Step 2: Convert to fraction form
    13,227.59/19,836.36 = 4,340.77/x
  3. Step 3: Cross multiply
    13,227.59x = 19,836.36 × 4,340.77
  4. Step 4: Simplify right side
    13,227.59x = 86,105,101.19
  5. Step 5: Solve for x
    x = 86,105,101.19/13,227.59
  6. Step 6: Final answer
    x = 6,509.51

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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.