Home / 12,099.75-18,132.60-9,623.58

Finding the Fourth Proportional to 12,099.75, 18,132.60 and 9,623.58

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Solution

The fourth proportional to 12,099.75, 18,132.60 and 9,623.58 is: 14,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099.75 : 18,132.60 = 9,623.58 : x
  2. Step 2: Convert to fraction form
    12,099.75/18,132.60 = 9,623.58/x
  3. Step 3: Cross multiply
    12,099.75x = 18,132.60 × 9,623.58
  4. Step 4: Simplify right side
    12,099.75x = 174,500,526.71
  5. Step 5: Solve for x
    x = 174,500,526.71/12,099.75
  6. Step 6: Final answer
    x = 14,421.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.