Home / 18,375.36-25,358.28-10,416.96

Finding the Fourth Proportional to 18,375.36, 25,358.28 and 10,416.96

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Solution

The fourth proportional to 18,375.36, 25,358.28 and 10,416.96 is: 14,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375.36 : 25,358.28 = 10,416.96 : x
  2. Step 2: Convert to fraction form
    18,375.36/25,358.28 = 10,416.96/x
  3. Step 3: Cross multiply
    18,375.36x = 25,358.28 × 10,416.96
  4. Step 4: Simplify right side
    18,375.36x = 264,156,188.43
  5. Step 5: Solve for x
    x = 264,156,188.43/18,375.36
  6. Step 6: Final answer
    x = 14,375.57

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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.