Home / 18,566.40-25,614.91-12,196.41

Finding the Fourth Proportional to 18,566.40, 25,614.91 and 12,196.41

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Solution

The fourth proportional to 18,566.40, 25,614.91 and 12,196.41 is: 16,826.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.40 : 25,614.91 = 12,196.41 : x
  2. Step 2: Convert to fraction form
    18,566.40/25,614.91 = 12,196.41/x
  3. Step 3: Cross multiply
    18,566.40x = 25,614.91 × 12,196.41
  4. Step 4: Simplify right side
    18,566.40x = 312,409,947.53
  5. Step 5: Solve for x
    x = 312,409,947.53/18,566.40
  6. Step 6: Final answer
    x = 16,826.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.