Home / 14,104.20-19,470.42-8,806.80

Finding the Fourth Proportional to 14,104.20, 19,470.42 and 8,806.80

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Solution

The fourth proportional to 14,104.20, 19,470.42 and 8,806.80 is: 12,157.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.20 : 19,470.42 = 8,806.80 : x
  2. Step 2: Convert to fraction form
    14,104.20/19,470.42 = 8,806.80/x
  3. Step 3: Cross multiply
    14,104.20x = 19,470.42 × 8,806.80
  4. Step 4: Simplify right side
    14,104.20x = 171,472,094.86
  5. Step 5: Solve for x
    x = 171,472,094.86/14,104.20
  6. Step 6: Final answer
    x = 12,157.52

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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.