Home / 16,128.60-22,253.34-10,161.24

Finding the Fourth Proportional to 16,128.60, 22,253.34 and 10,161.24

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Solution

The fourth proportional to 16,128.60, 22,253.34 and 10,161.24 is: 14,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.60 : 22,253.34 = 10,161.24 : x
  2. Step 2: Convert to fraction form
    16,128.60/22,253.34 = 10,161.24/x
  3. Step 3: Cross multiply
    16,128.60x = 22,253.34 × 10,161.24
  4. Step 4: Simplify right side
    16,128.60x = 226,121,528.54
  5. Step 5: Solve for x
    x = 226,121,528.54/16,128.60
  6. Step 6: Final answer
    x = 14,019.91

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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.