Home / 14,679.87-20,261.82-9,015.98

Finding the Fourth Proportional to 14,679.87, 20,261.82 and 9,015.98

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Solution

The fourth proportional to 14,679.87, 20,261.82 and 9,015.98 is: 12,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.87 : 20,261.82 = 9,015.98 : x
  2. Step 2: Convert to fraction form
    14,679.87/20,261.82 = 9,015.98/x
  3. Step 3: Cross multiply
    14,679.87x = 20,261.82 × 9,015.98
  4. Step 4: Simplify right side
    14,679.87x = 182,680,062.57
  5. Step 5: Solve for x
    x = 182,680,062.57/14,679.87
  6. Step 6: Final answer
    x = 12,444.26

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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.