Home / 19,530.96-29,298.42-5,491.05

Finding the Fourth Proportional to 19,530.96, 29,298.42 and 5,491.05

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Solution

The fourth proportional to 19,530.96, 29,298.42 and 5,491.05 is: 8,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.96 : 29,298.42 = 5,491.05 : x
  2. Step 2: Convert to fraction form
    19,530.96/29,298.42 = 5,491.05/x
  3. Step 3: Cross multiply
    19,530.96x = 29,298.42 × 5,491.05
  4. Step 4: Simplify right side
    19,530.96x = 160,879,089.14
  5. Step 5: Solve for x
    x = 160,879,089.14/19,530.96
  6. Step 6: Final answer
    x = 8,237.13

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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.