Home / 18,942.62-26,143.86-14,900.32

Finding the Fourth Proportional to 18,942.62, 26,143.86 and 14,900.32

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Solution

The fourth proportional to 18,942.62, 26,143.86 and 14,900.32 is: 20,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.62 : 26,143.86 = 14,900.32 : x
  2. Step 2: Convert to fraction form
    18,942.62/26,143.86 = 14,900.32/x
  3. Step 3: Cross multiply
    18,942.62x = 26,143.86 × 14,900.32
  4. Step 4: Simplify right side
    18,942.62x = 389,551,880.04
  5. Step 5: Solve for x
    x = 389,551,880.04/18,942.62
  6. Step 6: Final answer
    x = 20,564.84

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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.