Home / 16,177.32-22,338.18-10,889.64

Finding the Fourth Proportional to 16,177.32, 22,338.18 and 10,889.64

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Solution

The fourth proportional to 16,177.32, 22,338.18 and 10,889.64 is: 15,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,177.32 : 22,338.18 = 10,889.64 : x
  2. Step 2: Convert to fraction form
    16,177.32/22,338.18 = 10,889.64/x
  3. Step 3: Cross multiply
    16,177.32x = 22,338.18 × 10,889.64
  4. Step 4: Simplify right side
    16,177.32x = 243,254,738.46
  5. Step 5: Solve for x
    x = 243,254,738.46/16,177.32
  6. Step 6: Final answer
    x = 15,036.78

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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.