Home / 18,457.75-25,468.94-10,390.24

Finding the Fourth Proportional to 18,457.75, 25,468.94 and 10,390.24

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Solution

The fourth proportional to 18,457.75, 25,468.94 and 10,390.24 is: 14,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.75 : 25,468.94 = 10,390.24 : x
  2. Step 2: Convert to fraction form
    18,457.75/25,468.94 = 10,390.24/x
  3. Step 3: Cross multiply
    18,457.75x = 25,468.94 × 10,390.24
  4. Step 4: Simplify right side
    18,457.75x = 264,628,456.96
  5. Step 5: Solve for x
    x = 264,628,456.96/18,457.75
  6. Step 6: Final answer
    x = 14,336.98

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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.