Home / 19,755.14-27,256.82-12,102.48

Finding the Fourth Proportional to 19,755.14, 27,256.82 and 12,102.48

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Solution

The fourth proportional to 19,755.14, 27,256.82 and 12,102.48 is: 16,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.14 : 27,256.82 = 12,102.48 : x
  2. Step 2: Convert to fraction form
    19,755.14/27,256.82 = 12,102.48/x
  3. Step 3: Cross multiply
    19,755.14x = 27,256.82 × 12,102.48
  4. Step 4: Simplify right side
    19,755.14x = 329,875,058.40
  5. Step 5: Solve for x
    x = 329,875,058.40/19,755.14
  6. Step 6: Final answer
    x = 16,698.19

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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.