Home / 14,375.60-19,838.30-8,087.98

Finding the Fourth Proportional to 14,375.60, 19,838.30 and 8,087.98

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Solution

The fourth proportional to 14,375.60, 19,838.30 and 8,087.98 is: 11,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.60 : 19,838.30 = 8,087.98 : x
  2. Step 2: Convert to fraction form
    14,375.60/19,838.30 = 8,087.98/x
  3. Step 3: Cross multiply
    14,375.60x = 19,838.30 × 8,087.98
  4. Step 4: Simplify right side
    14,375.60x = 160,451,773.63
  5. Step 5: Solve for x
    x = 160,451,773.63/14,375.60
  6. Step 6: Final answer
    x = 11,161.40

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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.