Home / 13,541.07-20,312.02-3,680.56

Finding the Fourth Proportional to 13,541.07, 20,312.02 and 3,680.56

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Solution

The fourth proportional to 13,541.07, 20,312.02 and 3,680.56 is: 5,520.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.07 : 20,312.02 = 3,680.56 : x
  2. Step 2: Convert to fraction form
    13,541.07/20,312.02 = 3,680.56/x
  3. Step 3: Cross multiply
    13,541.07x = 20,312.02 × 3,680.56
  4. Step 4: Simplify right side
    13,541.07x = 74,759,608.33
  5. Step 5: Solve for x
    x = 74,759,608.33/13,541.07
  6. Step 6: Final answer
    x = 5,520.95

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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.