Home / 16,618.68-24,949.80-11,690.64

Finding the Fourth Proportional to 16,618.68, 24,949.80 and 11,690.64

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Solution

The fourth proportional to 16,618.68, 24,949.80 and 11,690.64 is: 17,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,618.68 : 24,949.80 = 11,690.64 : x
  2. Step 2: Convert to fraction form
    16,618.68/24,949.80 = 11,690.64/x
  3. Step 3: Cross multiply
    16,618.68x = 24,949.80 × 11,690.64
  4. Step 4: Simplify right side
    16,618.68x = 291,679,129.87
  5. Step 5: Solve for x
    x = 291,679,129.87/16,618.68
  6. Step 6: Final answer
    x = 17,551.28

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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.