Home / 19,146.87-28,720.29-6,000.27

Finding the Fourth Proportional to 19,146.87, 28,720.29 and 6,000.27

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Solution

The fourth proportional to 19,146.87, 28,720.29 and 6,000.27 is: 9,000.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.87 : 28,720.29 = 6,000.27 : x
  2. Step 2: Convert to fraction form
    19,146.87/28,720.29 = 6,000.27/x
  3. Step 3: Cross multiply
    19,146.87x = 28,720.29 × 6,000.27
  4. Step 4: Simplify right side
    19,146.87x = 172,329,494.48
  5. Step 5: Solve for x
    x = 172,329,494.48/19,146.87
  6. Step 6: Final answer
    x = 9,000.40

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1.5x scale

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.