Home / 19,588.35-27,031.80-10,635.78

Finding the Fourth Proportional to 19,588.35, 27,031.80 and 10,635.78

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Solution

The fourth proportional to 19,588.35, 27,031.80 and 10,635.78 is: 14,677.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.35 : 27,031.80 = 10,635.78 : x
  2. Step 2: Convert to fraction form
    19,588.35/27,031.80 = 10,635.78/x
  3. Step 3: Cross multiply
    19,588.35x = 27,031.80 × 10,635.78
  4. Step 4: Simplify right side
    19,588.35x = 287,504,277.80
  5. Step 5: Solve for x
    x = 287,504,277.80/19,588.35
  6. Step 6: Final answer
    x = 14,677.31

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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.