Home / 19,390.83-29,079.05-6,907.53

Finding the Fourth Proportional to 19,390.83, 29,079.05 and 6,907.53

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Solution

The fourth proportional to 19,390.83, 29,079.05 and 6,907.53 is: 10,358.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.83 : 29,079.05 = 6,907.53 : x
  2. Step 2: Convert to fraction form
    19,390.83/29,079.05 = 6,907.53/x
  3. Step 3: Cross multiply
    19,390.83x = 29,079.05 × 6,907.53
  4. Step 4: Simplify right side
    19,390.83x = 200,864,545.20
  5. Step 5: Solve for x
    x = 200,864,545.20/19,390.83
  6. Step 6: Final answer
    x = 10,358.74

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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.