Home / 20,244.72-27,936.93-11,746.42

Finding the Fourth Proportional to 20,244.72, 27,936.93 and 11,746.42

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Solution

The fourth proportional to 20,244.72, 27,936.93 and 11,746.42 is: 16,209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.72 : 27,936.93 = 11,746.42 : x
  2. Step 2: Convert to fraction form
    20,244.72/27,936.93 = 11,746.42/x
  3. Step 3: Cross multiply
    20,244.72x = 27,936.93 × 11,746.42
  4. Step 4: Simplify right side
    20,244.72x = 328,158,913.29
  5. Step 5: Solve for x
    x = 328,158,913.29/20,244.72
  6. Step 6: Final answer
    x = 16,209.60

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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.