Home / 13,510.26-18,644.18-7,541.93

Finding the Fourth Proportional to 13,510.26, 18,644.18 and 7,541.93

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Solution

The fourth proportional to 13,510.26, 18,644.18 and 7,541.93 is: 10,407.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.26 : 18,644.18 = 7,541.93 : x
  2. Step 2: Convert to fraction form
    13,510.26/18,644.18 = 7,541.93/x
  3. Step 3: Cross multiply
    13,510.26x = 18,644.18 × 7,541.93
  4. Step 4: Simplify right side
    13,510.26x = 140,612,969.54
  5. Step 5: Solve for x
    x = 140,612,969.54/13,510.26
  6. Step 6: Final answer
    x = 10,407.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.