Home / 19,267.50-28,901.26-5,416.50

Finding the Fourth Proportional to 19,267.50, 28,901.26 and 5,416.50

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Solution

The fourth proportional to 19,267.50, 28,901.26 and 5,416.50 is: 8,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.50 : 28,901.26 = 5,416.50 : x
  2. Step 2: Convert to fraction form
    19,267.50/28,901.26 = 5,416.50/x
  3. Step 3: Cross multiply
    19,267.50x = 28,901.26 × 5,416.50
  4. Step 4: Simplify right side
    19,267.50x = 156,543,674.79
  5. Step 5: Solve for x
    x = 156,543,674.79/19,267.50
  6. Step 6: Final answer
    x = 8,124.75

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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.