Home / 19,272.30-28,867.05-10,018.86

Finding the Fourth Proportional to 19,272.30, 28,867.05 and 10,018.86

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Solution

The fourth proportional to 19,272.30, 28,867.05 and 10,018.86 is: 15,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.30 : 28,867.05 = 10,018.86 : x
  2. Step 2: Convert to fraction form
    19,272.30/28,867.05 = 10,018.86/x
  3. Step 3: Cross multiply
    19,272.30x = 28,867.05 × 10,018.86
  4. Step 4: Simplify right side
    19,272.30x = 289,214,932.56
  5. Step 5: Solve for x
    x = 289,214,932.56/19,272.30
  6. Step 6: Final answer
    x = 15,006.77

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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.