Home / 16,945.10-25,392.67-9,438.32

Finding the Fourth Proportional to 16,945.10, 25,392.67 and 9,438.32

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Solution

The fourth proportional to 16,945.10, 25,392.67 and 9,438.32 is: 14,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.10 : 25,392.67 = 9,438.32 : x
  2. Step 2: Convert to fraction form
    16,945.10/25,392.67 = 9,438.32/x
  3. Step 3: Cross multiply
    16,945.10x = 25,392.67 × 9,438.32
  4. Step 4: Simplify right side
    16,945.10x = 239,664,097.92
  5. Step 5: Solve for x
    x = 239,664,097.92/16,945.10
  6. Step 6: Final answer
    x = 14,143.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.