Home / 19,630.62-27,090.99-11,248.74

Finding the Fourth Proportional to 19,630.62, 27,090.99 and 11,248.74

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Solution

The fourth proportional to 19,630.62, 27,090.99 and 11,248.74 is: 15,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.62 : 27,090.99 = 11,248.74 : x
  2. Step 2: Convert to fraction form
    19,630.62/27,090.99 = 11,248.74/x
  3. Step 3: Cross multiply
    19,630.62x = 27,090.99 × 11,248.74
  4. Step 4: Simplify right side
    19,630.62x = 304,739,502.85
  5. Step 5: Solve for x
    x = 304,739,502.85/19,630.62
  6. Step 6: Final answer
    x = 15,523.68

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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.