Home / 19,367.08-29,051.70-5,515

Finding the Fourth Proportional to 19,367.08, 29,051.70 and 5,515

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Solution

The fourth proportional to 19,367.08, 29,051.70 and 5,515 is: 8,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.08 : 29,051.70 = 5,515 : x
  2. Step 2: Convert to fraction form
    19,367.08/29,051.70 = 5,515/x
  3. Step 3: Cross multiply
    19,367.08x = 29,051.70 × 5,515
  4. Step 4: Simplify right side
    19,367.08x = 160,220,125.50
  5. Step 5: Solve for x
    x = 160,220,125.50/19,367.08
  6. Step 6: Final answer
    x = 8,272.81

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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.