Home / 19,543.08-29,314.62-4,751.91

Finding the Fourth Proportional to 19,543.08, 29,314.62 and 4,751.91

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Solution

The fourth proportional to 19,543.08, 29,314.62 and 4,751.91 is: 7,127.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.08 : 29,314.62 = 4,751.91 : x
  2. Step 2: Convert to fraction form
    19,543.08/29,314.62 = 4,751.91/x
  3. Step 3: Cross multiply
    19,543.08x = 29,314.62 × 4,751.91
  4. Step 4: Simplify right side
    19,543.08x = 139,300,435.92
  5. Step 5: Solve for x
    x = 139,300,435.92/19,543.08
  6. Step 6: Final answer
    x = 7,127.87

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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.