Home / 18,631.27-25,710.63-10,247.77

Finding the Fourth Proportional to 18,631.27, 25,710.63 and 10,247.77

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Solution

The fourth proportional to 18,631.27, 25,710.63 and 10,247.77 is: 14,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.27 : 25,710.63 = 10,247.77 : x
  2. Step 2: Convert to fraction form
    18,631.27/25,710.63 = 10,247.77/x
  3. Step 3: Cross multiply
    18,631.27x = 25,710.63 × 10,247.77
  4. Step 4: Simplify right side
    18,631.27x = 263,476,622.80
  5. Step 5: Solve for x
    x = 263,476,622.80/18,631.27
  6. Step 6: Final answer
    x = 14,141.64

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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.