Home / 17,478.05-24,119.51-9,520.25

Finding the Fourth Proportional to 17,478.05, 24,119.51 and 9,520.25

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Solution

The fourth proportional to 17,478.05, 24,119.51 and 9,520.25 is: 13,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.05 : 24,119.51 = 9,520.25 : x
  2. Step 2: Convert to fraction form
    17,478.05/24,119.51 = 9,520.25/x
  3. Step 3: Cross multiply
    17,478.05x = 24,119.51 × 9,520.25
  4. Step 4: Simplify right side
    17,478.05x = 229,623,596.88
  5. Step 5: Solve for x
    x = 229,623,596.88/17,478.05
  6. Step 6: Final answer
    x = 13,137.83

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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.