Home / 18,604.13-25,673.70-10,220.63

Finding the Fourth Proportional to 18,604.13, 25,673.70 and 10,220.63

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Solution

The fourth proportional to 18,604.13, 25,673.70 and 10,220.63 is: 14,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604.13 : 25,673.70 = 10,220.63 : x
  2. Step 2: Convert to fraction form
    18,604.13/25,673.70 = 10,220.63/x
  3. Step 3: Cross multiply
    18,604.13x = 25,673.70 × 10,220.63
  4. Step 4: Simplify right side
    18,604.13x = 262,401,388.43
  5. Step 5: Solve for x
    x = 262,401,388.43/18,604.13
  6. Step 6: Final answer
    x = 14,104.47

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Half scale
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Double scale
Find fourth proportional to 18,605.13, 25,675.08 and 10,221.63
Similar ratio
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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.