Home / 19,543.05-29,314.35-4,751.97

Finding the Fourth Proportional to 19,543.05, 29,314.35 and 4,751.97

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Solution

The fourth proportional to 19,543.05, 29,314.35 and 4,751.97 is: 7,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.05 : 29,314.35 = 4,751.97 : x
  2. Step 2: Convert to fraction form
    19,543.05/29,314.35 = 4,751.97/x
  3. Step 3: Cross multiply
    19,543.05x = 29,314.35 × 4,751.97
  4. Step 4: Simplify right side
    19,543.05x = 139,300,911.77
  5. Step 5: Solve for x
    x = 139,300,911.77/19,543.05
  6. Step 6: Final answer
    x = 7,127.90

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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.