Home / 14,170.74-21,248.39-9,172.41

Finding the Fourth Proportional to 14,170.74, 21,248.39 and 9,172.41

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Solution

The fourth proportional to 14,170.74, 21,248.39 and 9,172.41 is: 13,753.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.74 : 21,248.39 = 9,172.41 : x
  2. Step 2: Convert to fraction form
    14,170.74/21,248.39 = 9,172.41/x
  3. Step 3: Cross multiply
    14,170.74x = 21,248.39 × 9,172.41
  4. Step 4: Simplify right side
    14,170.74x = 194,898,792.82
  5. Step 5: Solve for x
    x = 194,898,792.82/14,170.74
  6. Step 6: Final answer
    x = 13,753.61

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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.