Home / 19,963.91-29,909.48-11,618.63

Finding the Fourth Proportional to 19,963.91, 29,909.48 and 11,618.63

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Solution

The fourth proportional to 19,963.91, 29,909.48 and 11,618.63 is: 17,406.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.91 : 29,909.48 = 11,618.63 : x
  2. Step 2: Convert to fraction form
    19,963.91/29,909.48 = 11,618.63/x
  3. Step 3: Cross multiply
    19,963.91x = 29,909.48 × 11,618.63
  4. Step 4: Simplify right side
    19,963.91x = 347,507,181.61
  5. Step 5: Solve for x
    x = 347,507,181.61/19,963.91
  6. Step 6: Final answer
    x = 17,406.77

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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.