Home / 14,098.62-21,146.44-7,432.45

Finding the Fourth Proportional to 14,098.62, 21,146.44 and 7,432.45

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Solution

The fourth proportional to 14,098.62, 21,146.44 and 7,432.45 is: 11,147.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.62 : 21,146.44 = 7,432.45 : x
  2. Step 2: Convert to fraction form
    14,098.62/21,146.44 = 7,432.45/x
  3. Step 3: Cross multiply
    14,098.62x = 21,146.44 × 7,432.45
  4. Step 4: Simplify right side
    14,098.62x = 157,169,857.98
  5. Step 5: Solve for x
    x = 157,169,857.98/14,098.62
  6. Step 6: Final answer
    x = 11,147.89

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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.