Home / 19,002.42-28,498.64-5,672.28

Finding the Fourth Proportional to 19,002.42, 28,498.64 and 5,672.28

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Solution

The fourth proportional to 19,002.42, 28,498.64 and 5,672.28 is: 8,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.42 : 28,498.64 = 5,672.28 : x
  2. Step 2: Convert to fraction form
    19,002.42/28,498.64 = 5,672.28/x
  3. Step 3: Cross multiply
    19,002.42x = 28,498.64 × 5,672.28
  4. Step 4: Simplify right side
    19,002.42x = 161,652,265.70
  5. Step 5: Solve for x
    x = 161,652,265.70/19,002.42
  6. Step 6: Final answer
    x = 8,506.93

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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.