Home / 15,378.99-23,069.76-11,270.13

Finding the Fourth Proportional to 15,378.99, 23,069.76 and 11,270.13

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Solution

The fourth proportional to 15,378.99, 23,069.76 and 11,270.13 is: 16,906.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.99 : 23,069.76 = 11,270.13 : x
  2. Step 2: Convert to fraction form
    15,378.99/23,069.76 = 11,270.13/x
  3. Step 3: Cross multiply
    15,378.99x = 23,069.76 × 11,270.13
  4. Step 4: Simplify right side
    15,378.99x = 259,999,194.27
  5. Step 5: Solve for x
    x = 259,999,194.27/15,378.99
  6. Step 6: Final answer
    x = 16,906.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.