Home / 13,510.54-20,268.82-4,151.50

Finding the Fourth Proportional to 13,510.54, 20,268.82 and 4,151.50

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Solution

The fourth proportional to 13,510.54, 20,268.82 and 4,151.50 is: 6,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.54 : 20,268.82 = 4,151.50 : x
  2. Step 2: Convert to fraction form
    13,510.54/20,268.82 = 4,151.50/x
  3. Step 3: Cross multiply
    13,510.54x = 20,268.82 × 4,151.50
  4. Step 4: Simplify right side
    13,510.54x = 84,146,006.23
  5. Step 5: Solve for x
    x = 84,146,006.23/13,510.54
  6. Step 6: Final answer
    x = 6,228.17

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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.