Home / 19,972.32-27,572.85-12,016.50

Finding the Fourth Proportional to 19,972.32, 27,572.85 and 12,016.50

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Solution

The fourth proportional to 19,972.32, 27,572.85 and 12,016.50 is: 16,589.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.32 : 27,572.85 = 12,016.50 : x
  2. Step 2: Convert to fraction form
    19,972.32/27,572.85 = 12,016.50/x
  3. Step 3: Cross multiply
    19,972.32x = 27,572.85 × 12,016.50
  4. Step 4: Simplify right side
    19,972.32x = 331,329,152.03
  5. Step 5: Solve for x
    x = 331,329,152.03/19,972.32
  6. Step 6: Final answer
    x = 16,589.42

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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.