Home / 19,002.08-28,500.44-6,521.88

Finding the Fourth Proportional to 19,002.08, 28,500.44 and 6,521.88

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Solution

The fourth proportional to 19,002.08, 28,500.44 and 6,521.88 is: 9,781.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.08 : 28,500.44 = 6,521.88 : x
  2. Step 2: Convert to fraction form
    19,002.08/28,500.44 = 6,521.88/x
  3. Step 3: Cross multiply
    19,002.08x = 28,500.44 × 6,521.88
  4. Step 4: Simplify right side
    19,002.08x = 185,876,417.02
  5. Step 5: Solve for x
    x = 185,876,417.02/19,002.08
  6. Step 6: Final answer
    x = 9,781.90

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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.