Home / 12,867.60-19,298.16-5,076.48

Finding the Fourth Proportional to 12,867.60, 19,298.16 and 5,076.48

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Solution

The fourth proportional to 12,867.60, 19,298.16 and 5,076.48 is: 7,613.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.60 : 19,298.16 = 5,076.48 : x
  2. Step 2: Convert to fraction form
    12,867.60/19,298.16 = 5,076.48/x
  3. Step 3: Cross multiply
    12,867.60x = 19,298.16 × 5,076.48
  4. Step 4: Simplify right side
    12,867.60x = 97,966,723.28
  5. Step 5: Solve for x
    x = 97,966,723.28/12,867.60
  6. Step 6: Final answer
    x = 7,613.44

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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.