Home / 13,710.96-20,564.64-5,913.36

Finding the Fourth Proportional to 13,710.96, 20,564.64 and 5,913.36

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Solution

The fourth proportional to 13,710.96, 20,564.64 and 5,913.36 is: 8,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.96 : 20,564.64 = 5,913.36 : x
  2. Step 2: Convert to fraction form
    13,710.96/20,564.64 = 5,913.36/x
  3. Step 3: Cross multiply
    13,710.96x = 20,564.64 × 5,913.36
  4. Step 4: Simplify right side
    13,710.96x = 121,606,119.59
  5. Step 5: Solve for x
    x = 121,606,119.59/13,710.96
  6. Step 6: Final answer
    x = 8,869.26

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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.