Home / 13,336.99-18,404.90-7,368.27

Finding the Fourth Proportional to 13,336.99, 18,404.90 and 7,368.27

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Solution

The fourth proportional to 13,336.99, 18,404.90 and 7,368.27 is: 10,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.99 : 18,404.90 = 7,368.27 : x
  2. Step 2: Convert to fraction form
    13,336.99/18,404.90 = 7,368.27/x
  3. Step 3: Cross multiply
    13,336.99x = 18,404.90 × 7,368.27
  4. Step 4: Simplify right side
    13,336.99x = 135,612,235.74
  5. Step 5: Solve for x
    x = 135,612,235.74/13,336.99
  6. Step 6: Final answer
    x = 10,168.13

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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.