Home / 18,628.50-27,909.56-15,969.93

Finding the Fourth Proportional to 18,628.50, 27,909.56 and 15,969.93

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Solution

The fourth proportional to 18,628.50, 27,909.56 and 15,969.93 is: 23,926.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.50 : 27,909.56 = 15,969.93 : x
  2. Step 2: Convert to fraction form
    18,628.50/27,909.56 = 15,969.93/x
  3. Step 3: Cross multiply
    18,628.50x = 27,909.56 × 15,969.93
  4. Step 4: Simplify right side
    18,628.50x = 445,713,654.79
  5. Step 5: Solve for x
    x = 445,713,654.79/18,628.50
  6. Step 6: Final answer
    x = 23,926.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.