Home / 18,625.28-25,703.91-10,668.74

Finding the Fourth Proportional to 18,625.28, 25,703.91 and 10,668.74

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Solution

The fourth proportional to 18,625.28, 25,703.91 and 10,668.74 is: 14,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.28 : 25,703.91 = 10,668.74 : x
  2. Step 2: Convert to fraction form
    18,625.28/25,703.91 = 10,668.74/x
  3. Step 3: Cross multiply
    18,625.28x = 25,703.91 × 10,668.74
  4. Step 4: Simplify right side
    18,625.28x = 274,228,204.25
  5. Step 5: Solve for x
    x = 274,228,204.25/18,625.28
  6. Step 6: Final answer
    x = 14,723.44

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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.