Home / 17,856.57-26,789.32-12,601.84

Finding the Fourth Proportional to 17,856.57, 26,789.32 and 12,601.84

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Solution

The fourth proportional to 17,856.57, 26,789.32 and 12,601.84 is: 18,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,856.57 : 26,789.32 = 12,601.84 : x
  2. Step 2: Convert to fraction form
    17,856.57/26,789.32 = 12,601.84/x
  3. Step 3: Cross multiply
    17,856.57x = 26,789.32 × 12,601.84
  4. Step 4: Simplify right side
    17,856.57x = 337,594,618.67
  5. Step 5: Solve for x
    x = 337,594,618.67/17,856.57
  6. Step 6: Final answer
    x = 18,905.90

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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.