Home / 13,694.12-20,541.18-4,928.81

Finding the Fourth Proportional to 13,694.12, 20,541.18 and 4,928.81

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Solution

The fourth proportional to 13,694.12, 20,541.18 and 4,928.81 is: 7,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.12 : 20,541.18 = 4,928.81 : x
  2. Step 2: Convert to fraction form
    13,694.12/20,541.18 = 4,928.81/x
  3. Step 3: Cross multiply
    13,694.12x = 20,541.18 × 4,928.81
  4. Step 4: Simplify right side
    13,694.12x = 101,243,573.40
  5. Step 5: Solve for x
    x = 101,243,573.40/13,694.12
  6. Step 6: Final answer
    x = 7,393.22

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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.