Home / 19,022.65-28,545.82-9,162.92

Finding the Fourth Proportional to 19,022.65, 28,545.82 and 9,162.92

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Solution

The fourth proportional to 19,022.65, 28,545.82 and 9,162.92 is: 13,750.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.65 : 28,545.82 = 9,162.92 : x
  2. Step 2: Convert to fraction form
    19,022.65/28,545.82 = 9,162.92/x
  3. Step 3: Cross multiply
    19,022.65x = 28,545.82 × 9,162.92
  4. Step 4: Simplify right side
    19,022.65x = 261,563,113.45
  5. Step 5: Solve for x
    x = 261,563,113.45/19,022.65
  6. Step 6: Final answer
    x = 13,750.09

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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.