Home / 13,656.27-20,484.81-5,335.95

Finding the Fourth Proportional to 13,656.27, 20,484.81 and 5,335.95

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Solution

The fourth proportional to 13,656.27, 20,484.81 and 5,335.95 is: 8,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656.27 : 20,484.81 = 5,335.95 : x
  2. Step 2: Convert to fraction form
    13,656.27/20,484.81 = 5,335.95/x
  3. Step 3: Cross multiply
    13,656.27x = 20,484.81 × 5,335.95
  4. Step 4: Simplify right side
    13,656.27x = 109,305,921.92
  5. Step 5: Solve for x
    x = 109,305,921.92/13,656.27
  6. Step 6: Final answer
    x = 8,004.08

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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.