Home / 17,618.85-26,403.54-8,236.62

Finding the Fourth Proportional to 17,618.85, 26,403.54 and 8,236.62

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Solution

The fourth proportional to 17,618.85, 26,403.54 and 8,236.62 is: 12,343.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.85 : 26,403.54 = 8,236.62 : x
  2. Step 2: Convert to fraction form
    17,618.85/26,403.54 = 8,236.62/x
  3. Step 3: Cross multiply
    17,618.85x = 26,403.54 × 8,236.62
  4. Step 4: Simplify right side
    17,618.85x = 217,475,925.63
  5. Step 5: Solve for x
    x = 217,475,925.63/17,618.85
  6. Step 6: Final answer
    x = 12,343.37

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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.