Home / 19,498.80-26,908.98-11,000.76

Finding the Fourth Proportional to 19,498.80, 26,908.98 and 11,000.76

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Solution

The fourth proportional to 19,498.80, 26,908.98 and 11,000.76 is: 15,181.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498.80 : 26,908.98 = 11,000.76 : x
  2. Step 2: Convert to fraction form
    19,498.80/26,908.98 = 11,000.76/x
  3. Step 3: Cross multiply
    19,498.80x = 26,908.98 × 11,000.76
  4. Step 4: Simplify right side
    19,498.80x = 296,019,230.82
  5. Step 5: Solve for x
    x = 296,019,230.82/19,498.80
  6. Step 6: Final answer
    x = 15,181.41

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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.