Home / 14,690.40-22,003.20-8,836.80

Finding the Fourth Proportional to 14,690.40, 22,003.20 and 8,836.80

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Solution

The fourth proportional to 14,690.40, 22,003.20 and 8,836.80 is: 13,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.40 : 22,003.20 = 8,836.80 : x
  2. Step 2: Convert to fraction form
    14,690.40/22,003.20 = 8,836.80/x
  3. Step 3: Cross multiply
    14,690.40x = 22,003.20 × 8,836.80
  4. Step 4: Simplify right side
    14,690.40x = 194,437,877.76
  5. Step 5: Solve for x
    x = 194,437,877.76/14,690.40
  6. Step 6: Final answer
    x = 13,235.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.