Home / 19,811.49-29,754.26-17,440.42

Finding the Fourth Proportional to 19,811.49, 29,754.26 and 17,440.42

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Solution

The fourth proportional to 19,811.49, 29,754.26 and 17,440.42 is: 26,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.49 : 29,754.26 = 17,440.42 : x
  2. Step 2: Convert to fraction form
    19,811.49/29,754.26 = 17,440.42/x
  3. Step 3: Cross multiply
    19,811.49x = 29,754.26 × 17,440.42
  4. Step 4: Simplify right side
    19,811.49x = 518,926,791.19
  5. Step 5: Solve for x
    x = 518,926,791.19/19,811.49
  6. Step 6: Final answer
    x = 26,193.22

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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.