Home / 18,632.25-25,705.20-10,670.19

Finding the Fourth Proportional to 18,632.25, 25,705.20 and 10,670.19

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Solution

The fourth proportional to 18,632.25, 25,705.20 and 10,670.19 is: 14,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,632.25 : 25,705.20 = 10,670.19 : x
  2. Step 2: Convert to fraction form
    18,632.25/25,705.20 = 10,670.19/x
  3. Step 3: Cross multiply
    18,632.25x = 25,705.20 × 10,670.19
  4. Step 4: Simplify right side
    18,632.25x = 274,279,367.99
  5. Step 5: Solve for x
    x = 274,279,367.99/18,632.25
  6. Step 6: Final answer
    x = 14,720.68

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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.