Home / 14,498.75-20,017.92-11,135.56

Finding the Fourth Proportional to 14,498.75, 20,017.92 and 11,135.56

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Solution

The fourth proportional to 14,498.75, 20,017.92 and 11,135.56 is: 15,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.75 : 20,017.92 = 11,135.56 : x
  2. Step 2: Convert to fraction form
    14,498.75/20,017.92 = 11,135.56/x
  3. Step 3: Cross multiply
    14,498.75x = 20,017.92 × 11,135.56
  4. Step 4: Simplify right side
    14,498.75x = 222,910,699.19
  5. Step 5: Solve for x
    x = 222,910,699.19/14,498.75
  6. Step 6: Final answer
    x = 15,374.47

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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.