Home / 13,328.62-19,951.00-9,144.16

Finding the Fourth Proportional to 13,328.62, 19,951.00 and 9,144.16

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Solution

The fourth proportional to 13,328.62, 19,951.00 and 9,144.16 is: 13,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.62 : 19,951.00 = 9,144.16 : x
  2. Step 2: Convert to fraction form
    13,328.62/19,951.00 = 9,144.16/x
  3. Step 3: Cross multiply
    13,328.62x = 19,951.00 × 9,144.16
  4. Step 4: Simplify right side
    13,328.62x = 182,435,063.42
  5. Step 5: Solve for x
    x = 182,435,063.42/13,328.62
  6. Step 6: Final answer
    x = 13,687.47

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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.