Home / 18,628.17-25,704.72-10,669.92

Finding the Fourth Proportional to 18,628.17, 25,704.72 and 10,669.92

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Solution

The fourth proportional to 18,628.17, 25,704.72 and 10,669.92 is: 14,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.17 : 25,704.72 = 10,669.92 : x
  2. Step 2: Convert to fraction form
    18,628.17/25,704.72 = 10,669.92/x
  3. Step 3: Cross multiply
    18,628.17x = 25,704.72 × 10,669.92
  4. Step 4: Simplify right side
    18,628.17x = 274,267,306.02
  5. Step 5: Solve for x
    x = 274,267,306.02/18,628.17
  6. Step 6: Final answer
    x = 14,723.26

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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.