Home / 14,218.22-19,626.56-10,691.68

Finding the Fourth Proportional to 14,218.22, 19,626.56 and 10,691.68

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Solution

The fourth proportional to 14,218.22, 19,626.56 and 10,691.68 is: 14,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.22 : 19,626.56 = 10,691.68 : x
  2. Step 2: Convert to fraction form
    14,218.22/19,626.56 = 10,691.68/x
  3. Step 3: Cross multiply
    14,218.22x = 19,626.56 × 10,691.68
  4. Step 4: Simplify right side
    14,218.22x = 209,840,899.02
  5. Step 5: Solve for x
    x = 209,840,899.02/14,218.22
  6. Step 6: Final answer
    x = 14,758.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.