Home / 19,272.20-28,865.10-10,027.40

Finding the Fourth Proportional to 19,272.20, 28,865.10 and 10,027.40

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Solution

The fourth proportional to 19,272.20, 28,865.10 and 10,027.40 is: 15,018.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,272.20 : 28,865.10 = 10,027.40 : x
  2. Step 2: Convert to fraction form
    19,272.20/28,865.10 = 10,027.40/x
  3. Step 3: Cross multiply
    19,272.20x = 28,865.10 × 10,027.40
  4. Step 4: Simplify right side
    19,272.20x = 289,441,903.74
  5. Step 5: Solve for x
    x = 289,441,903.74/19,272.20
  6. Step 6: Final answer
    x = 15,018.62

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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.