Home / 13,572.05-20,352.59-5,669.37

Finding the Fourth Proportional to 13,572.05, 20,352.59 and 5,669.37

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Solution

The fourth proportional to 13,572.05, 20,352.59 and 5,669.37 is: 8,501.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.05 : 20,352.59 = 5,669.37 : x
  2. Step 2: Convert to fraction form
    13,572.05/20,352.59 = 5,669.37/x
  3. Step 3: Cross multiply
    13,572.05x = 20,352.59 × 5,669.37
  4. Step 4: Simplify right side
    13,572.05x = 115,386,334.82
  5. Step 5: Solve for x
    x = 115,386,334.82/13,572.05
  6. Step 6: Final answer
    x = 8,501.76

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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.