Home / 13,416.19-20,117.77-4,054.41

Finding the Fourth Proportional to 13,416.19, 20,117.77 and 4,054.41

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Solution

The fourth proportional to 13,416.19, 20,117.77 and 4,054.41 is: 6,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.19 : 20,117.77 = 4,054.41 : x
  2. Step 2: Convert to fraction form
    13,416.19/20,117.77 = 4,054.41/x
  3. Step 3: Cross multiply
    13,416.19x = 20,117.77 × 4,054.41
  4. Step 4: Simplify right side
    13,416.19x = 81,565,677.73
  5. Step 5: Solve for x
    x = 81,565,677.73/13,416.19
  6. Step 6: Final answer
    x = 6,079.65

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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.