Home / 18,629.08-25,708.79-10,672.84

Finding the Fourth Proportional to 18,629.08, 25,708.79 and 10,672.84

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Solution

The fourth proportional to 18,629.08, 25,708.79 and 10,672.84 is: 14,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.08 : 25,708.79 = 10,672.84 : x
  2. Step 2: Convert to fraction form
    18,629.08/25,708.79 = 10,672.84/x
  3. Step 3: Cross multiply
    18,629.08x = 25,708.79 × 10,672.84
  4. Step 4: Simplify right side
    18,629.08x = 274,385,951.46
  5. Step 5: Solve for x
    x = 274,385,951.46/18,629.08
  6. Step 6: Final answer
    x = 14,728.90

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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.