Home / 14,177.10-21,272.97-6,780.06

Finding the Fourth Proportional to 14,177.10, 21,272.97 and 6,780.06

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Solution

The fourth proportional to 14,177.10, 21,272.97 and 6,780.06 is: 10,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.10 : 21,272.97 = 6,780.06 : x
  2. Step 2: Convert to fraction form
    14,177.10/21,272.97 = 6,780.06/x
  3. Step 3: Cross multiply
    14,177.10x = 21,272.97 × 6,780.06
  4. Step 4: Simplify right side
    14,177.10x = 144,232,012.98
  5. Step 5: Solve for x
    x = 144,232,012.98/14,177.10
  6. Step 6: Final answer
    x = 10,173.59

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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.