Home / 18,225.01-25,151.61-12,164.86

Finding the Fourth Proportional to 18,225.01, 25,151.61 and 12,164.86

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Solution

The fourth proportional to 18,225.01, 25,151.61 and 12,164.86 is: 16,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.01 : 25,151.61 = 12,164.86 : x
  2. Step 2: Convert to fraction form
    18,225.01/25,151.61 = 12,164.86/x
  3. Step 3: Cross multiply
    18,225.01x = 25,151.61 × 12,164.86
  4. Step 4: Simplify right side
    18,225.01x = 305,965,814.42
  5. Step 5: Solve for x
    x = 305,965,814.42/18,225.01
  6. Step 6: Final answer
    x = 16,788.24

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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.