Home / 13,032.65-19,545.96-7,769.14

Finding the Fourth Proportional to 13,032.65, 19,545.96 and 7,769.14

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Solution

The fourth proportional to 13,032.65, 19,545.96 and 7,769.14 is: 11,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.65 : 19,545.96 = 7,769.14 : x
  2. Step 2: Convert to fraction form
    13,032.65/19,545.96 = 7,769.14/x
  3. Step 3: Cross multiply
    13,032.65x = 19,545.96 × 7,769.14
  4. Step 4: Simplify right side
    13,032.65x = 151,855,279.94
  5. Step 5: Solve for x
    x = 151,855,279.94/13,032.65
  6. Step 6: Final answer
    x = 11,651.91

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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.