Home / 19,722.36-29,588.40-5,871.36

Finding the Fourth Proportional to 19,722.36, 29,588.40 and 5,871.36

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Solution

The fourth proportional to 19,722.36, 29,588.40 and 5,871.36 is: 8,808.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.36 : 29,588.40 = 5,871.36 : x
  2. Step 2: Convert to fraction form
    19,722.36/29,588.40 = 5,871.36/x
  3. Step 3: Cross multiply
    19,722.36x = 29,588.40 × 5,871.36
  4. Step 4: Simplify right side
    19,722.36x = 173,724,148.22
  5. Step 5: Solve for x
    x = 173,724,148.22/19,722.36
  6. Step 6: Final answer
    x = 8,808.49

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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.