Home / 17,724.85-26,587.32-5,245.09

Finding the Fourth Proportional to 17,724.85, 26,587.32 and 5,245.09

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Solution

The fourth proportional to 17,724.85, 26,587.32 and 5,245.09 is: 7,867.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,724.85 : 26,587.32 = 5,245.09 : x
  2. Step 2: Convert to fraction form
    17,724.85/26,587.32 = 5,245.09/x
  3. Step 3: Cross multiply
    17,724.85x = 26,587.32 × 5,245.09
  4. Step 4: Simplify right side
    17,724.85x = 139,452,886.26
  5. Step 5: Solve for x
    x = 139,452,886.26/17,724.85
  6. Step 6: Final answer
    x = 7,867.65

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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.