Home / 14,218.34-21,318.38-5,904.09

Finding the Fourth Proportional to 14,218.34, 21,318.38 and 5,904.09

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Solution

The fourth proportional to 14,218.34, 21,318.38 and 5,904.09 is: 8,852.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.34 : 21,318.38 = 5,904.09 : x
  2. Step 2: Convert to fraction form
    14,218.34/21,318.38 = 5,904.09/x
  3. Step 3: Cross multiply
    14,218.34x = 21,318.38 × 5,904.09
  4. Step 4: Simplify right side
    14,218.34x = 125,865,604.65
  5. Step 5: Solve for x
    x = 125,865,604.65/14,218.34
  6. Step 6: Final answer
    x = 8,852.34

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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.