Home / 18,133.32-25,025.28-10,067.40

Finding the Fourth Proportional to 18,133.32, 25,025.28 and 10,067.40

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Solution

The fourth proportional to 18,133.32, 25,025.28 and 10,067.40 is: 13,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.32 : 25,025.28 = 10,067.40 : x
  2. Step 2: Convert to fraction form
    18,133.32/25,025.28 = 10,067.40/x
  3. Step 3: Cross multiply
    18,133.32x = 25,025.28 × 10,067.40
  4. Step 4: Simplify right side
    18,133.32x = 251,939,503.87
  5. Step 5: Solve for x
    x = 251,939,503.87/18,133.32
  6. Step 6: Final answer
    x = 13,893.73

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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.