Home / 18,177.72-25,082.46-10,218.45

Finding the Fourth Proportional to 18,177.72, 25,082.46 and 10,218.45

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Solution

The fourth proportional to 18,177.72, 25,082.46 and 10,218.45 is: 14,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.72 : 25,082.46 = 10,218.45 : x
  2. Step 2: Convert to fraction form
    18,177.72/25,082.46 = 10,218.45/x
  3. Step 3: Cross multiply
    18,177.72x = 25,082.46 × 10,218.45
  4. Step 4: Simplify right side
    18,177.72x = 256,303,957.45
  5. Step 5: Solve for x
    x = 256,303,957.45/18,177.72
  6. Step 6: Final answer
    x = 14,099.90

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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.