Home / 18,135.24-25,025.10-10,176.36

Finding the Fourth Proportional to 18,135.24, 25,025.10 and 10,176.36

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Solution

The fourth proportional to 18,135.24, 25,025.10 and 10,176.36 is: 14,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.24 : 25,025.10 = 10,176.36 : x
  2. Step 2: Convert to fraction form
    18,135.24/25,025.10 = 10,176.36/x
  3. Step 3: Cross multiply
    18,135.24x = 25,025.10 × 10,176.36
  4. Step 4: Simplify right side
    18,135.24x = 254,664,426.64
  5. Step 5: Solve for x
    x = 254,664,426.64/18,135.24
  6. Step 6: Final answer
    x = 14,042.52

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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.