Home / 18,135.68-25,029.54-10,180.46

Finding the Fourth Proportional to 18,135.68, 25,029.54 and 10,180.46

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Solution

The fourth proportional to 18,135.68, 25,029.54 and 10,180.46 is: 14,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,135.68 : 25,029.54 = 10,180.46 : x
  2. Step 2: Convert to fraction form
    18,135.68/25,029.54 = 10,180.46/x
  3. Step 3: Cross multiply
    18,135.68x = 25,029.54 × 10,180.46
  4. Step 4: Simplify right side
    18,135.68x = 254,812,230.79
  5. Step 5: Solve for x
    x = 254,812,230.79/18,135.68
  6. Step 6: Final answer
    x = 14,050.33

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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.