Home / 19,975.32-27,576.99-12,019.50

Finding the Fourth Proportional to 19,975.32, 27,576.99 and 12,019.50

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Solution

The fourth proportional to 19,975.32, 27,576.99 and 12,019.50 is: 16,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.32 : 27,576.99 = 12,019.50 : x
  2. Step 2: Convert to fraction form
    19,975.32/27,576.99 = 12,019.50/x
  3. Step 3: Cross multiply
    19,975.32x = 27,576.99 × 12,019.50
  4. Step 4: Simplify right side
    19,975.32x = 331,461,631.31
  5. Step 5: Solve for x
    x = 331,461,631.31/19,975.32
  6. Step 6: Final answer
    x = 16,593.56

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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.