Home / 13,572.63-20,352.51-5,256.54

Finding the Fourth Proportional to 13,572.63, 20,352.51 and 5,256.54

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Solution

The fourth proportional to 13,572.63, 20,352.51 and 5,256.54 is: 7,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.63 : 20,352.51 = 5,256.54 : x
  2. Step 2: Convert to fraction form
    13,572.63/20,352.51 = 5,256.54/x
  3. Step 3: Cross multiply
    13,572.63x = 20,352.51 × 5,256.54
  4. Step 4: Simplify right side
    13,572.63x = 106,983,782.92
  5. Step 5: Solve for x
    x = 106,983,782.92/13,572.63
  6. Step 6: Final answer
    x = 7,882.32

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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.