Home / 14,498.73-20,017.88-11,135.53

Finding the Fourth Proportional to 14,498.73, 20,017.88 and 11,135.53

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Solution

The fourth proportional to 14,498.73, 20,017.88 and 11,135.53 is: 15,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.73 : 20,017.88 = 11,135.53 : x
  2. Step 2: Convert to fraction form
    14,498.73/20,017.88 = 11,135.53/x
  3. Step 3: Cross multiply
    14,498.73x = 20,017.88 × 11,135.53
  4. Step 4: Simplify right side
    14,498.73x = 222,909,603.19
  5. Step 5: Solve for x
    x = 222,909,603.19/14,498.73
  6. Step 6: Final answer
    x = 15,374.43

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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.