Home / 19,096.80-28,670.85-11,207.40

Finding the Fourth Proportional to 19,096.80, 28,670.85 and 11,207.40

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Solution

The fourth proportional to 19,096.80, 28,670.85 and 11,207.40 is: 16,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,096.80 : 28,670.85 = 11,207.40 : x
  2. Step 2: Convert to fraction form
    19,096.80/28,670.85 = 11,207.40/x
  3. Step 3: Cross multiply
    19,096.80x = 28,670.85 × 11,207.40
  4. Step 4: Simplify right side
    19,096.80x = 321,325,684.29
  5. Step 5: Solve for x
    x = 321,325,684.29/19,096.80
  6. Step 6: Final answer
    x = 16,826.15

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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.