Home / 18,628.37-25,707.14-10,244.87

Finding the Fourth Proportional to 18,628.37, 25,707.14 and 10,244.87

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Solution

The fourth proportional to 18,628.37, 25,707.14 and 10,244.87 is: 14,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.37 : 25,707.14 = 10,244.87 : x
  2. Step 2: Convert to fraction form
    18,628.37/25,707.14 = 10,244.87/x
  3. Step 3: Cross multiply
    18,628.37x = 25,707.14 × 10,244.87
  4. Step 4: Simplify right side
    18,628.37x = 263,366,307.37
  5. Step 5: Solve for x
    x = 263,366,307.37/18,628.37
  6. Step 6: Final answer
    x = 14,137.91

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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.