Home / 17,867.78-24,656.70-9,909.83

Finding the Fourth Proportional to 17,867.78, 24,656.70 and 9,909.83

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Solution

The fourth proportional to 17,867.78, 24,656.70 and 9,909.83 is: 13,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.78 : 24,656.70 = 9,909.83 : x
  2. Step 2: Convert to fraction form
    17,867.78/24,656.70 = 9,909.83/x
  3. Step 3: Cross multiply
    17,867.78x = 24,656.70 × 9,909.83
  4. Step 4: Simplify right side
    17,867.78x = 244,343,582.08
  5. Step 5: Solve for x
    x = 244,343,582.08/17,867.78
  6. Step 6: Final answer
    x = 13,675.10

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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.