Home / 19,076.16-28,620.24-8,555.04

Finding the Fourth Proportional to 19,076.16, 28,620.24 and 8,555.04

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Solution

The fourth proportional to 19,076.16, 28,620.24 and 8,555.04 is: 12,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,076.16 : 28,620.24 = 8,555.04 : x
  2. Step 2: Convert to fraction form
    19,076.16/28,620.24 = 8,555.04/x
  3. Step 3: Cross multiply
    19,076.16x = 28,620.24 × 8,555.04
  4. Step 4: Simplify right side
    19,076.16x = 244,847,298.01
  5. Step 5: Solve for x
    x = 244,847,298.01/19,076.16
  6. Step 6: Final answer
    x = 12,835.25

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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.