Home / 19,937.28-27,513.24-11,876.46

Finding the Fourth Proportional to 19,937.28, 27,513.24 and 11,876.46

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Solution

The fourth proportional to 19,937.28, 27,513.24 and 11,876.46 is: 16,389.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.28 : 27,513.24 = 11,876.46 : x
  2. Step 2: Convert to fraction form
    19,937.28/27,513.24 = 11,876.46/x
  3. Step 3: Cross multiply
    19,937.28x = 27,513.24 × 11,876.46
  4. Step 4: Simplify right side
    19,937.28x = 326,759,894.33
  5. Step 5: Solve for x
    x = 326,759,894.33/19,937.28
  6. Step 6: Final answer
    x = 16,389.39

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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.