Home / 19,474.61-29,237.79-13,170.66

Finding the Fourth Proportional to 19,474.61, 29,237.79 and 13,170.66

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Solution

The fourth proportional to 19,474.61, 29,237.79 and 13,170.66 is: 19,773.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.61 : 29,237.79 = 13,170.66 : x
  2. Step 2: Convert to fraction form
    19,474.61/29,237.79 = 13,170.66/x
  3. Step 3: Cross multiply
    19,474.61x = 29,237.79 × 13,170.66
  4. Step 4: Simplify right side
    19,474.61x = 385,080,991.24
  5. Step 5: Solve for x
    x = 385,080,991.24/19,474.61
  6. Step 6: Final answer
    x = 19,773.49

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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.