Home / 16,618.86-24,900.50-11,679.66

Finding the Fourth Proportional to 16,618.86, 24,900.50 and 11,679.66

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Solution

The fourth proportional to 16,618.86, 24,900.50 and 11,679.66 is: 17,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.86 : 24,900.50 = 11,679.66 : x
  2. Step 2: Convert to fraction form
    16,618.86/24,900.50 = 11,679.66/x
  3. Step 3: Cross multiply
    16,618.86x = 24,900.50 × 11,679.66
  4. Step 4: Simplify right side
    16,618.86x = 290,829,373.83
  5. Step 5: Solve for x
    x = 290,829,373.83/16,618.86
  6. Step 6: Final answer
    x = 17,499.96

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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.