Home / 13,510.71-20,261.94-4,743.54

Finding the Fourth Proportional to 13,510.71, 20,261.94 and 4,743.54

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Solution

The fourth proportional to 13,510.71, 20,261.94 and 4,743.54 is: 7,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.71 : 20,261.94 = 4,743.54 : x
  2. Step 2: Convert to fraction form
    13,510.71/20,261.94 = 4,743.54/x
  3. Step 3: Cross multiply
    13,510.71x = 20,261.94 × 4,743.54
  4. Step 4: Simplify right side
    13,510.71x = 96,113,322.87
  5. Step 5: Solve for x
    x = 96,113,322.87/13,510.71
  6. Step 6: Final answer
    x = 7,113.86

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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.