Home / 19,816.44-27,349.48-12,265.20

Finding the Fourth Proportional to 19,816.44, 27,349.48 and 12,265.20

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Solution

The fourth proportional to 19,816.44, 27,349.48 and 12,265.20 is: 16,927.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,816.44 : 27,349.48 = 12,265.20 : x
  2. Step 2: Convert to fraction form
    19,816.44/27,349.48 = 12,265.20/x
  3. Step 3: Cross multiply
    19,816.44x = 27,349.48 × 12,265.20
  4. Step 4: Simplify right side
    19,816.44x = 335,446,842.10
  5. Step 5: Solve for x
    x = 335,446,842.10/19,816.44
  6. Step 6: Final answer
    x = 16,927.70

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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.