Home / 19,363.08-29,045.70-5,511

Finding the Fourth Proportional to 19,363.08, 29,045.70 and 5,511

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Solution

The fourth proportional to 19,363.08, 29,045.70 and 5,511 is: 8,266.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.08 : 29,045.70 = 5,511 : x
  2. Step 2: Convert to fraction form
    19,363.08/29,045.70 = 5,511/x
  3. Step 3: Cross multiply
    19,363.08x = 29,045.70 × 5,511
  4. Step 4: Simplify right side
    19,363.08x = 160,070,852.70
  5. Step 5: Solve for x
    x = 160,070,852.70/19,363.08
  6. Step 6: Final answer
    x = 8,266.81

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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.