Home / 19,984.32-27,577.60-11,031.68

Finding the Fourth Proportional to 19,984.32, 27,577.60 and 11,031.68

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Solution

The fourth proportional to 19,984.32, 27,577.60 and 11,031.68 is: 15,223.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,984.32 : 27,577.60 = 11,031.68 : x
  2. Step 2: Convert to fraction form
    19,984.32/27,577.60 = 11,031.68/x
  3. Step 3: Cross multiply
    19,984.32x = 27,577.60 × 11,031.68
  4. Step 4: Simplify right side
    19,984.32x = 304,227,258.37
  5. Step 5: Solve for x
    x = 304,227,258.37/19,984.32
  6. Step 6: Final answer
    x = 15,223.30

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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.