Home / 18,045.68-24,893.92-12,077.60

Finding the Fourth Proportional to 18,045.68, 24,893.92 and 12,077.60

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Solution

The fourth proportional to 18,045.68, 24,893.92 and 12,077.60 is: 16,660.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.68 : 24,893.92 = 12,077.60 : x
  2. Step 2: Convert to fraction form
    18,045.68/24,893.92 = 12,077.60/x
  3. Step 3: Cross multiply
    18,045.68x = 24,893.92 × 12,077.60
  4. Step 4: Simplify right side
    18,045.68x = 300,658,808.19
  5. Step 5: Solve for x
    x = 300,658,808.19/18,045.68
  6. Step 6: Final answer
    x = 16,660.99

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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.