Home / 19,167.76-28,795.20-16,543.36

Finding the Fourth Proportional to 19,167.76, 28,795.20 and 16,543.36

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Solution

The fourth proportional to 19,167.76, 28,795.20 and 16,543.36 is: 24,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,167.76 : 28,795.20 = 16,543.36 : x
  2. Step 2: Convert to fraction form
    19,167.76/28,795.20 = 16,543.36/x
  3. Step 3: Cross multiply
    19,167.76x = 28,795.20 × 16,543.36
  4. Step 4: Simplify right side
    19,167.76x = 476,369,359.87
  5. Step 5: Solve for x
    x = 476,369,359.87/19,167.76
  6. Step 6: Final answer
    x = 24,852.64

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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.