Home / 18,785.08-25,923.41-10,401.58

Finding the Fourth Proportional to 18,785.08, 25,923.41 and 10,401.58

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Solution

The fourth proportional to 18,785.08, 25,923.41 and 10,401.58 is: 14,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.08 : 25,923.41 = 10,401.58 : x
  2. Step 2: Convert to fraction form
    18,785.08/25,923.41 = 10,401.58/x
  3. Step 3: Cross multiply
    18,785.08x = 25,923.41 × 10,401.58
  4. Step 4: Simplify right side
    18,785.08x = 269,644,332.18
  5. Step 5: Solve for x
    x = 269,644,332.18/18,785.08
  6. Step 6: Final answer
    x = 14,354.18

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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.