Home / 16,621.38-24,893.19-12,465.54

Finding the Fourth Proportional to 16,621.38, 24,893.19 and 12,465.54

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Solution

The fourth proportional to 16,621.38, 24,893.19 and 12,465.54 is: 18,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.38 : 24,893.19 = 12,465.54 : x
  2. Step 2: Convert to fraction form
    16,621.38/24,893.19 = 12,465.54/x
  3. Step 3: Cross multiply
    16,621.38x = 24,893.19 × 12,465.54
  4. Step 4: Simplify right side
    16,621.38x = 310,307,055.67
  5. Step 5: Solve for x
    x = 310,307,055.67/16,621.38
  6. Step 6: Final answer
    x = 18,669.15

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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.