Home / 13,336.94-18,405.35-7,368.99

Finding the Fourth Proportional to 13,336.94, 18,405.35 and 7,368.99

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Solution

The fourth proportional to 13,336.94, 18,405.35 and 7,368.99 is: 10,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.94 : 18,405.35 = 7,368.99 : x
  2. Step 2: Convert to fraction form
    13,336.94/18,405.35 = 7,368.99/x
  3. Step 3: Cross multiply
    13,336.94x = 18,405.35 × 7,368.99
  4. Step 4: Simplify right side
    13,336.94x = 135,628,858.52
  5. Step 5: Solve for x
    x = 135,628,858.52/13,336.94
  6. Step 6: Final answer
    x = 10,169.41

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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.