Home / 13,337.43-18,405.84-7,369.23

Finding the Fourth Proportional to 13,337.43, 18,405.84 and 7,369.23

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Solution

The fourth proportional to 13,337.43, 18,405.84 and 7,369.23 is: 10,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.43 : 18,405.84 = 7,369.23 : x
  2. Step 2: Convert to fraction form
    13,337.43/18,405.84 = 7,369.23/x
  3. Step 3: Cross multiply
    13,337.43x = 18,405.84 × 7,369.23
  4. Step 4: Simplify right side
    13,337.43x = 135,636,964.96
  5. Step 5: Solve for x
    x = 135,636,964.96/13,337.43
  6. Step 6: Final answer
    x = 10,169.65

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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.