Home / 18,245.54-25,141.65-12,582.02

Finding the Fourth Proportional to 18,245.54, 25,141.65 and 12,582.02

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Solution

The fourth proportional to 18,245.54, 25,141.65 and 12,582.02 is: 17,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245.54 : 25,141.65 = 12,582.02 : x
  2. Step 2: Convert to fraction form
    18,245.54/25,141.65 = 12,582.02/x
  3. Step 3: Cross multiply
    18,245.54x = 25,141.65 × 12,582.02
  4. Step 4: Simplify right side
    18,245.54x = 316,332,743.13
  5. Step 5: Solve for x
    x = 316,332,743.13/18,245.54
  6. Step 6: Final answer
    x = 17,337.54

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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.