Home / 19,508.75-26,920.44-11,549.60

Finding the Fourth Proportional to 19,508.75, 26,920.44 and 11,549.60

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Solution

The fourth proportional to 19,508.75, 26,920.44 and 11,549.60 is: 15,937.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,508.75 : 26,920.44 = 11,549.60 : x
  2. Step 2: Convert to fraction form
    19,508.75/26,920.44 = 11,549.60/x
  3. Step 3: Cross multiply
    19,508.75x = 26,920.44 × 11,549.60
  4. Step 4: Simplify right side
    19,508.75x = 310,920,179.22
  5. Step 5: Solve for x
    x = 310,920,179.22/19,508.75
  6. Step 6: Final answer
    x = 15,937.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.