Home / 20,023.48-27,631.62-11,958.50

Finding the Fourth Proportional to 20,023.48, 27,631.62 and 11,958.50

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Solution

The fourth proportional to 20,023.48, 27,631.62 and 11,958.50 is: 16,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.48 : 27,631.62 = 11,958.50 : x
  2. Step 2: Convert to fraction form
    20,023.48/27,631.62 = 11,958.50/x
  3. Step 3: Cross multiply
    20,023.48x = 27,631.62 × 11,958.50
  4. Step 4: Simplify right side
    20,023.48x = 330,432,727.77
  5. Step 5: Solve for x
    x = 330,432,727.77/20,023.48
  6. Step 6: Final answer
    x = 16,502.26

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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.