Home / 14,922.86-20,591.96-8,870.94

Finding the Fourth Proportional to 14,922.86, 20,591.96 and 8,870.94

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Solution

The fourth proportional to 14,922.86, 20,591.96 and 8,870.94 is: 12,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,922.86 : 20,591.96 = 8,870.94 : x
  2. Step 2: Convert to fraction form
    14,922.86/20,591.96 = 8,870.94/x
  3. Step 3: Cross multiply
    14,922.86x = 20,591.96 × 8,870.94
  4. Step 4: Simplify right side
    14,922.86x = 182,669,997.29
  5. Step 5: Solve for x
    x = 182,669,997.29/14,922.86
  6. Step 6: Final answer
    x = 12,240.96

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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.