Home / 19,081.16-28,592.68-9,707.12

Finding the Fourth Proportional to 19,081.16, 28,592.68 and 9,707.12

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Solution

The fourth proportional to 19,081.16, 28,592.68 and 9,707.12 is: 14,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.16 : 28,592.68 = 9,707.12 : x
  2. Step 2: Convert to fraction form
    19,081.16/28,592.68 = 9,707.12/x
  3. Step 3: Cross multiply
    19,081.16x = 28,592.68 × 9,707.12
  4. Step 4: Simplify right side
    19,081.16x = 277,552,575.88
  5. Step 5: Solve for x
    x = 277,552,575.88/19,081.16
  6. Step 6: Final answer
    x = 14,545.90

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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.