Home / 16,918.11-25,370.91-5,821.74

Finding the Fourth Proportional to 16,918.11, 25,370.91 and 5,821.74

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Solution

The fourth proportional to 16,918.11, 25,370.91 and 5,821.74 is: 8,730.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.11 : 25,370.91 = 5,821.74 : x
  2. Step 2: Convert to fraction form
    16,918.11/25,370.91 = 5,821.74/x
  3. Step 3: Cross multiply
    16,918.11x = 25,370.91 × 5,821.74
  4. Step 4: Simplify right side
    16,918.11x = 147,702,841.58
  5. Step 5: Solve for x
    x = 147,702,841.58/16,918.11
  6. Step 6: Final answer
    x = 8,730.46

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1.5x scale

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.