Home / 22,712.64-34,066.08-8,871.36

Finding the Fourth Proportional to 22,712.64, 34,066.08 and 8,871.36

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Solution

The fourth proportional to 22,712.64, 34,066.08 and 8,871.36 is: 13,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.64 : 34,066.08 = 8,871.36 : x
  2. Step 2: Convert to fraction form
    22,712.64/34,066.08 = 8,871.36/x
  3. Step 3: Cross multiply
    22,712.64x = 34,066.08 × 8,871.36
  4. Step 4: Simplify right side
    22,712.64x = 302,212,459.47
  5. Step 5: Solve for x
    x = 302,212,459.47/22,712.64
  6. Step 6: Final answer
    x = 13,305.92

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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.