Home / 19,031.44-26,272.20-11,070.76

Finding the Fourth Proportional to 19,031.44, 26,272.20 and 11,070.76

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Solution

The fourth proportional to 19,031.44, 26,272.20 and 11,070.76 is: 15,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.44 : 26,272.20 = 11,070.76 : x
  2. Step 2: Convert to fraction form
    19,031.44/26,272.20 = 11,070.76/x
  3. Step 3: Cross multiply
    19,031.44x = 26,272.20 × 11,070.76
  4. Step 4: Simplify right side
    19,031.44x = 290,853,220.87
  5. Step 5: Solve for x
    x = 290,853,220.87/19,031.44
  6. Step 6: Final answer
    x = 15,282.78

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Half scale
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Double scale
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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.