Home / 16,134.32-22,255.70-10,155.60

Finding the Fourth Proportional to 16,134.32, 22,255.70 and 10,155.60

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Solution

The fourth proportional to 16,134.32, 22,255.70 and 10,155.60 is: 14,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,134.32 : 22,255.70 = 10,155.60 : x
  2. Step 2: Convert to fraction form
    16,134.32/22,255.70 = 10,155.60/x
  3. Step 3: Cross multiply
    16,134.32x = 22,255.70 × 10,155.60
  4. Step 4: Simplify right side
    16,134.32x = 226,019,986.92
  5. Step 5: Solve for x
    x = 226,019,986.92/16,134.32
  6. Step 6: Final answer
    x = 14,008.65

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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.