Home / 19,587.78-27,022.10-11,625.48

Finding the Fourth Proportional to 19,587.78, 27,022.10 and 11,625.48

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Solution

The fourth proportional to 19,587.78, 27,022.10 and 11,625.48 is: 16,037.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.78 : 27,022.10 = 11,625.48 : x
  2. Step 2: Convert to fraction form
    19,587.78/27,022.10 = 11,625.48/x
  3. Step 3: Cross multiply
    19,587.78x = 27,022.10 × 11,625.48
  4. Step 4: Simplify right side
    19,587.78x = 314,144,824.98
  5. Step 5: Solve for x
    x = 314,144,824.98/19,587.78
  6. Step 6: Final answer
    x = 16,037.80

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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.