Home / 13,541.04-20,301.96-5,214.12

Finding the Fourth Proportional to 13,541.04, 20,301.96 and 5,214.12

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Solution

The fourth proportional to 13,541.04, 20,301.96 and 5,214.12 is: 7,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.04 : 20,301.96 = 5,214.12 : x
  2. Step 2: Convert to fraction form
    13,541.04/20,301.96 = 5,214.12/x
  3. Step 3: Cross multiply
    13,541.04x = 20,301.96 × 5,214.12
  4. Step 4: Simplify right side
    13,541.04x = 105,856,855.68
  5. Step 5: Solve for x
    x = 105,856,855.68/13,541.04
  6. Step 6: Final answer
    x = 7,817.48

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1.5x scale

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.