Home / 13,590.44-18,746.85-8,546.66

Finding the Fourth Proportional to 13,590.44, 18,746.85 and 8,546.66

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Solution

The fourth proportional to 13,590.44, 18,746.85 and 8,546.66 is: 11,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590.44 : 18,746.85 = 8,546.66 : x
  2. Step 2: Convert to fraction form
    13,590.44/18,746.85 = 8,546.66/x
  3. Step 3: Cross multiply
    13,590.44x = 18,746.85 × 8,546.66
  4. Step 4: Simplify right side
    13,590.44x = 160,222,967.84
  5. Step 5: Solve for x
    x = 160,222,967.84/13,590.44
  6. Step 6: Final answer
    x = 11,789.39

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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.