Home / 19,984.19-27,577.98-11,031.80

Finding the Fourth Proportional to 19,984.19, 27,577.98 and 11,031.80

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Solution

The fourth proportional to 19,984.19, 27,577.98 and 11,031.80 is: 15,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.19 : 27,577.98 = 11,031.80 : x
  2. Step 2: Convert to fraction form
    19,984.19/27,577.98 = 11,031.80/x
  3. Step 3: Cross multiply
    19,984.19x = 27,577.98 × 11,031.80
  4. Step 4: Simplify right side
    19,984.19x = 304,234,621.87
  5. Step 5: Solve for x
    x = 304,234,621.87/19,984.19
  6. Step 6: Final answer
    x = 15,223.77

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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.