Home / 14,175.34-21,255.91-8,254.17

Finding the Fourth Proportional to 14,175.34, 21,255.91 and 8,254.17

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Solution

The fourth proportional to 14,175.34, 21,255.91 and 8,254.17 is: 12,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.34 : 21,255.91 = 8,254.17 : x
  2. Step 2: Convert to fraction form
    14,175.34/21,255.91 = 8,254.17/x
  3. Step 3: Cross multiply
    14,175.34x = 21,255.91 × 8,254.17
  4. Step 4: Simplify right side
    14,175.34x = 175,449,894.64
  5. Step 5: Solve for x
    x = 175,449,894.64/14,175.34
  6. Step 6: Final answer
    x = 12,377.12

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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.