Home / 18,573.09-25,625.26-11,395.63

Finding the Fourth Proportional to 18,573.09, 25,625.26 and 11,395.63

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Solution

The fourth proportional to 18,573.09, 25,625.26 and 11,395.63 is: 15,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.09 : 25,625.26 = 11,395.63 : x
  2. Step 2: Convert to fraction form
    18,573.09/25,625.26 = 11,395.63/x
  3. Step 3: Cross multiply
    18,573.09x = 25,625.26 × 11,395.63
  4. Step 4: Simplify right side
    18,573.09x = 292,015,981.61
  5. Step 5: Solve for x
    x = 292,015,981.61/18,573.09
  6. Step 6: Final answer
    x = 15,722.53

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Double scale
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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.