Home / 26,188.23-39,278.58-8,416.58

Finding the Fourth Proportional to 26,188.23, 39,278.58 and 8,416.58

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Solution

The fourth proportional to 26,188.23, 39,278.58 and 8,416.58 is: 12,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.23 : 39,278.58 = 8,416.58 : x
  2. Step 2: Convert to fraction form
    26,188.23/39,278.58 = 8,416.58/x
  3. Step 3: Cross multiply
    26,188.23x = 39,278.58 × 8,416.58
  4. Step 4: Simplify right side
    26,188.23x = 330,591,114.46
  5. Step 5: Solve for x
    x = 330,591,114.46/26,188.23
  6. Step 6: Final answer
    x = 12,623.65

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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.