Home / 26,856.09-40,284.93-12,817.62

Finding the Fourth Proportional to 26,856.09, 40,284.93 and 12,817.62

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Solution

The fourth proportional to 26,856.09, 40,284.93 and 12,817.62 is: 19,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,856.09 : 40,284.93 = 12,817.62 : x
  2. Step 2: Convert to fraction form
    26,856.09/40,284.93 = 12,817.62/x
  3. Step 3: Cross multiply
    26,856.09x = 40,284.93 × 12,817.62
  4. Step 4: Simplify right side
    26,856.09x = 516,356,924.47
  5. Step 5: Solve for x
    x = 516,356,924.47/26,856.09
  6. Step 6: Final answer
    x = 19,226.81

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.