Home / 18,458.93-25,464.45-12,082.71

Finding the Fourth Proportional to 18,458.93, 25,464.45 and 12,082.71

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Solution

The fourth proportional to 18,458.93, 25,464.45 and 12,082.71 is: 16,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.93 : 25,464.45 = 12,082.71 : x
  2. Step 2: Convert to fraction form
    18,458.93/25,464.45 = 12,082.71/x
  3. Step 3: Cross multiply
    18,458.93x = 25,464.45 × 12,082.71
  4. Step 4: Simplify right side
    18,458.93x = 307,679,423.86
  5. Step 5: Solve for x
    x = 307,679,423.86/18,458.93
  6. Step 6: Final answer
    x = 16,668.33

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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.