Home / 19,133.32-28,690.26-8,601.76

Finding the Fourth Proportional to 19,133.32, 28,690.26 and 8,601.76

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Solution

The fourth proportional to 19,133.32, 28,690.26 and 8,601.76 is: 12,898.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133.32 : 28,690.26 = 8,601.76 : x
  2. Step 2: Convert to fraction form
    19,133.32/28,690.26 = 8,601.76/x
  3. Step 3: Cross multiply
    19,133.32x = 28,690.26 × 8,601.76
  4. Step 4: Simplify right side
    19,133.32x = 246,786,730.86
  5. Step 5: Solve for x
    x = 246,786,730.86/19,133.32
  6. Step 6: Final answer
    x = 12,898.27

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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.