Home / 20,217.60-27,838.08-19,064.16

Finding the Fourth Proportional to 20,217.60, 27,838.08 and 19,064.16

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Solution

The fourth proportional to 20,217.60, 27,838.08 and 19,064.16 is: 26,249.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,217.60 : 27,838.08 = 19,064.16 : x
  2. Step 2: Convert to fraction form
    20,217.60/27,838.08 = 19,064.16/x
  3. Step 3: Cross multiply
    20,217.60x = 27,838.08 × 19,064.16
  4. Step 4: Simplify right side
    20,217.60x = 530,709,611.21
  5. Step 5: Solve for x
    x = 530,709,611.21/20,217.60
  6. Step 6: Final answer
    x = 26,249.88

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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.