Home / 18,335.34-25,302.51-11,163.60

Finding the Fourth Proportional to 18,335.34, 25,302.51 and 11,163.60

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Solution

The fourth proportional to 18,335.34, 25,302.51 and 11,163.60 is: 15,405.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.34 : 25,302.51 = 11,163.60 : x
  2. Step 2: Convert to fraction form
    18,335.34/25,302.51 = 11,163.60/x
  3. Step 3: Cross multiply
    18,335.34x = 25,302.51 × 11,163.60
  4. Step 4: Simplify right side
    18,335.34x = 282,467,100.64
  5. Step 5: Solve for x
    x = 282,467,100.64/18,335.34
  6. Step 6: Final answer
    x = 15,405.61

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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.