Home / 19,157.15-28,748.94-6,677.28

Finding the Fourth Proportional to 19,157.15, 28,748.94 and 6,677.28

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Solution

The fourth proportional to 19,157.15, 28,748.94 and 6,677.28 is: 10,020.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.15 : 28,748.94 = 6,677.28 : x
  2. Step 2: Convert to fraction form
    19,157.15/28,748.94 = 6,677.28/x
  3. Step 3: Cross multiply
    19,157.15x = 28,748.94 × 6,677.28
  4. Step 4: Simplify right side
    19,157.15x = 191,964,722.08
  5. Step 5: Solve for x
    x = 191,964,722.08/19,157.15
  6. Step 6: Final answer
    x = 10,020.52

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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.