Home / 13,057.76-19,600.68-5,271.68

Finding the Fourth Proportional to 13,057.76, 19,600.68 and 5,271.68

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Solution

The fourth proportional to 13,057.76, 19,600.68 and 5,271.68 is: 7,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.76 : 19,600.68 = 5,271.68 : x
  2. Step 2: Convert to fraction form
    13,057.76/19,600.68 = 5,271.68/x
  3. Step 3: Cross multiply
    13,057.76x = 19,600.68 × 5,271.68
  4. Step 4: Simplify right side
    13,057.76x = 103,328,512.74
  5. Step 5: Solve for x
    x = 103,328,512.74/13,057.76
  6. Step 6: Final answer
    x = 7,913.19

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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.