Home / 13,614.68-20,426.12-4,848.45

Finding the Fourth Proportional to 13,614.68, 20,426.12 and 4,848.45

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Solution

The fourth proportional to 13,614.68, 20,426.12 and 4,848.45 is: 7,274.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.68 : 20,426.12 = 4,848.45 : x
  2. Step 2: Convert to fraction form
    13,614.68/20,426.12 = 4,848.45/x
  3. Step 3: Cross multiply
    13,614.68x = 20,426.12 × 4,848.45
  4. Step 4: Simplify right side
    13,614.68x = 99,034,997.27
  5. Step 5: Solve for x
    x = 99,034,997.27/13,614.68
  6. Step 6: Final answer
    x = 7,274.14

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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.