Home / 16,219.23-22,372.40-12,436.23

Finding the Fourth Proportional to 16,219.23, 22,372.40 and 12,436.23

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Solution

The fourth proportional to 16,219.23, 22,372.40 and 12,436.23 is: 17,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.23 : 22,372.40 = 12,436.23 : x
  2. Step 2: Convert to fraction form
    16,219.23/22,372.40 = 12,436.23/x
  3. Step 3: Cross multiply
    16,219.23x = 22,372.40 × 12,436.23
  4. Step 4: Simplify right side
    16,219.23x = 278,228,249.87
  5. Step 5: Solve for x
    x = 278,228,249.87/16,219.23
  6. Step 6: Final answer
    x = 17,154.22

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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.