Home / 13,099.41-18,102.84-11,641.41

Finding the Fourth Proportional to 13,099.41, 18,102.84 and 11,641.41

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Solution

The fourth proportional to 13,099.41, 18,102.84 and 11,641.41 is: 16,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.41 : 18,102.84 = 11,641.41 : x
  2. Step 2: Convert to fraction form
    13,099.41/18,102.84 = 11,641.41/x
  3. Step 3: Cross multiply
    13,099.41x = 18,102.84 × 11,641.41
  4. Step 4: Simplify right side
    13,099.41x = 210,742,582.60
  5. Step 5: Solve for x
    x = 210,742,582.60/13,099.41
  6. Step 6: Final answer
    x = 16,087.94

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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.