Home / 17,616.80-24,293.04-12,309.68

Finding the Fourth Proportional to 17,616.80, 24,293.04 and 12,309.68

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Solution

The fourth proportional to 17,616.80, 24,293.04 and 12,309.68 is: 16,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,616.80 : 24,293.04 = 12,309.68 : x
  2. Step 2: Convert to fraction form
    17,616.80/24,293.04 = 12,309.68/x
  3. Step 3: Cross multiply
    17,616.80x = 24,293.04 × 12,309.68
  4. Step 4: Simplify right side
    17,616.80x = 299,039,548.63
  5. Step 5: Solve for x
    x = 299,039,548.63/17,616.80
  6. Step 6: Final answer
    x = 16,974.68

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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.