Home / 13,054.61-19,565.85-5,149.19

Finding the Fourth Proportional to 13,054.61, 19,565.85 and 5,149.19

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Solution

The fourth proportional to 13,054.61, 19,565.85 and 5,149.19 is: 7,717.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.61 : 19,565.85 = 5,149.19 : x
  2. Step 2: Convert to fraction form
    13,054.61/19,565.85 = 5,149.19/x
  3. Step 3: Cross multiply
    13,054.61x = 19,565.85 × 5,149.19
  4. Step 4: Simplify right side
    13,054.61x = 100,748,181.33
  5. Step 5: Solve for x
    x = 100,748,181.33/13,054.61
  6. Step 6: Final answer
    x = 7,717.44

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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.