Home / 14,180.85-21,262.14-6,785.13

Finding the Fourth Proportional to 14,180.85, 21,262.14 and 6,785.13

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Solution

The fourth proportional to 14,180.85, 21,262.14 and 6,785.13 is: 10,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.85 : 21,262.14 = 6,785.13 : x
  2. Step 2: Convert to fraction form
    14,180.85/21,262.14 = 6,785.13/x
  3. Step 3: Cross multiply
    14,180.85x = 21,262.14 × 6,785.13
  4. Step 4: Simplify right side
    14,180.85x = 144,266,383.98
  5. Step 5: Solve for x
    x = 144,266,383.98/14,180.85
  6. Step 6: Final answer
    x = 10,173.32

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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.