Home / 17,677.64-24,394.77-9,719.70

Finding the Fourth Proportional to 17,677.64, 24,394.77 and 9,719.70

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Solution

The fourth proportional to 17,677.64, 24,394.77 and 9,719.70 is: 13,412.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,677.64 : 24,394.77 = 9,719.70 : x
  2. Step 2: Convert to fraction form
    17,677.64/24,394.77 = 9,719.70/x
  3. Step 3: Cross multiply
    17,677.64x = 24,394.77 × 9,719.70
  4. Step 4: Simplify right side
    17,677.64x = 237,109,754.49
  5. Step 5: Solve for x
    x = 237,109,754.49/17,677.64
  6. Step 6: Final answer
    x = 13,412.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.