Home / 13,336.92-18,405.36-7,368.98

Finding the Fourth Proportional to 13,336.92, 18,405.36 and 7,368.98

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Solution

The fourth proportional to 13,336.92, 18,405.36 and 7,368.98 is: 10,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.92 : 18,405.36 = 7,368.98 : x
  2. Step 2: Convert to fraction form
    13,336.92/18,405.36 = 7,368.98/x
  3. Step 3: Cross multiply
    13,336.92x = 18,405.36 × 7,368.98
  4. Step 4: Simplify right side
    13,336.92x = 135,628,637.71
  5. Step 5: Solve for x
    x = 135,628,637.71/13,336.92
  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.