Home / 19,817.20-29,766.84-19,152.91

Finding the Fourth Proportional to 19,817.20, 29,766.84 and 19,152.91

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Solution

The fourth proportional to 19,817.20, 29,766.84 and 19,152.91 is: 28,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,817.20 : 29,766.84 = 19,152.91 : x
  2. Step 2: Convert to fraction form
    19,817.20/29,766.84 = 19,152.91/x
  3. Step 3: Cross multiply
    19,817.20x = 29,766.84 × 19,152.91
  4. Step 4: Simplify right side
    19,817.20x = 570,121,607.50
  5. Step 5: Solve for x
    x = 570,121,607.50/19,817.20
  6. Step 6: Final answer
    x = 28,769.03

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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.