Home / 14,198.51-19,613.83-13,451.18

Finding the Fourth Proportional to 14,198.51, 19,613.83 and 13,451.18

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Solution

The fourth proportional to 14,198.51, 19,613.83 and 13,451.18 is: 18,581.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,198.51 : 19,613.83 = 13,451.18 : x
  2. Step 2: Convert to fraction form
    14,198.51/19,613.83 = 13,451.18/x
  3. Step 3: Cross multiply
    14,198.51x = 19,613.83 × 13,451.18
  4. Step 4: Simplify right side
    14,198.51x = 263,829,161.67
  5. Step 5: Solve for x
    x = 263,829,161.67/14,198.51
  6. Step 6: Final answer
    x = 18,581.47

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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.