Home / 19,109.96-28,613.10-16,748.36

Finding the Fourth Proportional to 19,109.96, 28,613.10 and 16,748.36

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Solution

The fourth proportional to 19,109.96, 28,613.10 and 16,748.36 is: 25,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.96 : 28,613.10 = 16,748.36 : x
  2. Step 2: Convert to fraction form
    19,109.96/28,613.10 = 16,748.36/x
  3. Step 3: Cross multiply
    19,109.96x = 28,613.10 × 16,748.36
  4. Step 4: Simplify right side
    19,109.96x = 479,222,499.52
  5. Step 5: Solve for x
    x = 479,222,499.52/19,109.96
  6. Step 6: Final answer
    x = 25,077.11

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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.