Home / 16,518.36-24,761.52-5,417.40

Finding the Fourth Proportional to 16,518.36, 24,761.52 and 5,417.40

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Solution

The fourth proportional to 16,518.36, 24,761.52 and 5,417.40 is: 8,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,518.36 : 24,761.52 = 5,417.40 : x
  2. Step 2: Convert to fraction form
    16,518.36/24,761.52 = 5,417.40/x
  3. Step 3: Cross multiply
    16,518.36x = 24,761.52 × 5,417.40
  4. Step 4: Simplify right side
    16,518.36x = 134,143,058.45
  5. Step 5: Solve for x
    x = 134,143,058.45/16,518.36
  6. Step 6: Final answer
    x = 8,120.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.