Home / 14,943.96-20,611.80-12,702.24

Finding the Fourth Proportional to 14,943.96, 20,611.80 and 12,702.24

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Solution

The fourth proportional to 14,943.96, 20,611.80 and 12,702.24 is: 17,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,943.96 : 20,611.80 = 12,702.24 : x
  2. Step 2: Convert to fraction form
    14,943.96/20,611.80 = 12,702.24/x
  3. Step 3: Cross multiply
    14,943.96x = 20,611.80 × 12,702.24
  4. Step 4: Simplify right side
    14,943.96x = 261,816,030.43
  5. Step 5: Solve for x
    x = 261,816,030.43/14,943.96
  6. Step 6: Final answer
    x = 17,519.86

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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.