Home / 17,399.55-24,031.32-11,457.78

Finding the Fourth Proportional to 17,399.55, 24,031.32 and 11,457.78

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Solution

The fourth proportional to 17,399.55, 24,031.32 and 11,457.78 is: 15,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,399.55 : 24,031.32 = 11,457.78 : x
  2. Step 2: Convert to fraction form
    17,399.55/24,031.32 = 11,457.78/x
  3. Step 3: Cross multiply
    17,399.55x = 24,031.32 × 11,457.78
  4. Step 4: Simplify right side
    17,399.55x = 275,345,577.67
  5. Step 5: Solve for x
    x = 275,345,577.67/17,399.55
  6. Step 6: Final answer
    x = 15,824.87

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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.