Home / 19,675.45-27,151.32-10,722.76

Finding the Fourth Proportional to 19,675.45, 27,151.32 and 10,722.76

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Solution

The fourth proportional to 19,675.45, 27,151.32 and 10,722.76 is: 14,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,675.45 : 27,151.32 = 10,722.76 : x
  2. Step 2: Convert to fraction form
    19,675.45/27,151.32 = 10,722.76/x
  3. Step 3: Cross multiply
    19,675.45x = 27,151.32 × 10,722.76
  4. Step 4: Simplify right side
    19,675.45x = 291,137,020.16
  5. Step 5: Solve for x
    x = 291,137,020.16/19,675.45
  6. Step 6: Final answer
    x = 14,796.97

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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.