Home / 19,436.91-29,184.53-11,126.31

Finding the Fourth Proportional to 19,436.91, 29,184.53 and 11,126.31

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Solution

The fourth proportional to 19,436.91, 29,184.53 and 11,126.31 is: 16,706.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.91 : 29,184.53 = 11,126.31 : x
  2. Step 2: Convert to fraction form
    19,436.91/29,184.53 = 11,126.31/x
  3. Step 3: Cross multiply
    19,436.91x = 29,184.53 × 11,126.31
  4. Step 4: Simplify right side
    19,436.91x = 324,716,072.35
  5. Step 5: Solve for x
    x = 324,716,072.35/19,436.91
  6. Step 6: Final answer
    x = 16,706.16

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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.