Home / 19,880.08-27,404.18-16,843.99

Finding the Fourth Proportional to 19,880.08, 27,404.18 and 16,843.99

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Solution

The fourth proportional to 19,880.08, 27,404.18 and 16,843.99 is: 23,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880.08 : 27,404.18 = 16,843.99 : x
  2. Step 2: Convert to fraction form
    19,880.08/27,404.18 = 16,843.99/x
  3. Step 3: Cross multiply
    19,880.08x = 27,404.18 × 16,843.99
  4. Step 4: Simplify right side
    19,880.08x = 461,595,733.88
  5. Step 5: Solve for x
    x = 461,595,733.88/19,880.08
  6. Step 6: Final answer
    x = 23,219.01

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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.