Home / 14,175.49-21,256.10-8,254.29

Finding the Fourth Proportional to 14,175.49, 21,256.10 and 8,254.29

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Solution

The fourth proportional to 14,175.49, 21,256.10 and 8,254.29 is: 12,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.49 : 21,256.10 = 8,254.29 : x
  2. Step 2: Convert to fraction form
    14,175.49/21,256.10 = 8,254.29/x
  3. Step 3: Cross multiply
    14,175.49x = 21,256.10 × 8,254.29
  4. Step 4: Simplify right side
    14,175.49x = 175,454,013.67
  5. Step 5: Solve for x
    x = 175,454,013.67/14,175.49
  6. Step 6: Final answer
    x = 12,377.28

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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.