Home / 18,574.57-25,641.73-11,771.99

Finding the Fourth Proportional to 18,574.57, 25,641.73 and 11,771.99

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Solution

The fourth proportional to 18,574.57, 25,641.73 and 11,771.99 is: 16,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.57 : 25,641.73 = 11,771.99 : x
  2. Step 2: Convert to fraction form
    18,574.57/25,641.73 = 11,771.99/x
  3. Step 3: Cross multiply
    18,574.57x = 25,641.73 × 11,771.99
  4. Step 4: Simplify right side
    18,574.57x = 301,854,171.81
  5. Step 5: Solve for x
    x = 301,854,171.81/18,574.57
  6. Step 6: Final answer
    x = 16,250.94

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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.