Home / 18,624.23-25,707.38-11,927.86

Finding the Fourth Proportional to 18,624.23, 25,707.38 and 11,927.86

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Solution

The fourth proportional to 18,624.23, 25,707.38 and 11,927.86 is: 16,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,624.23 : 25,707.38 = 11,927.86 : x
  2. Step 2: Convert to fraction form
    18,624.23/25,707.38 = 11,927.86/x
  3. Step 3: Cross multiply
    18,624.23x = 25,707.38 × 11,927.86
  4. Step 4: Simplify right side
    18,624.23x = 306,633,905.70
  5. Step 5: Solve for x
    x = 306,633,905.70/18,624.23
  6. Step 6: Final answer
    x = 16,464.25

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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.