Home / 15,953.25-22,015.49-8,879.52

Finding the Fourth Proportional to 15,953.25, 22,015.49 and 8,879.52

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Solution

The fourth proportional to 15,953.25, 22,015.49 and 8,879.52 is: 12,253.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.25 : 22,015.49 = 8,879.52 : x
  2. Step 2: Convert to fraction form
    15,953.25/22,015.49 = 8,879.52/x
  3. Step 3: Cross multiply
    15,953.25x = 22,015.49 × 8,879.52
  4. Step 4: Simplify right side
    15,953.25x = 195,486,939.37
  5. Step 5: Solve for x
    x = 195,486,939.37/15,953.25
  6. Step 6: Final answer
    x = 12,253.74

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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.