Home / 20,216.74-27,697.04-19,459.18

Finding the Fourth Proportional to 20,216.74, 27,697.04 and 19,459.18

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Solution

The fourth proportional to 20,216.74, 27,697.04 and 19,459.18 is: 26,659.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216.74 : 27,697.04 = 19,459.18 : x
  2. Step 2: Convert to fraction form
    20,216.74/27,697.04 = 19,459.18/x
  3. Step 3: Cross multiply
    20,216.74x = 27,697.04 × 19,459.18
  4. Step 4: Simplify right side
    20,216.74x = 538,961,686.83
  5. Step 5: Solve for x
    x = 538,961,686.83/20,216.74
  6. Step 6: Final answer
    x = 26,659.18

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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.