Home / 18,837.60-25,968.13-14,353.57

Finding the Fourth Proportional to 18,837.60, 25,968.13 and 14,353.57

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Solution

The fourth proportional to 18,837.60, 25,968.13 and 14,353.57 is: 19,786.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.60 : 25,968.13 = 14,353.57 : x
  2. Step 2: Convert to fraction form
    18,837.60/25,968.13 = 14,353.57/x
  3. Step 3: Cross multiply
    18,837.60x = 25,968.13 × 14,353.57
  4. Step 4: Simplify right side
    18,837.60x = 372,735,368.30
  5. Step 5: Solve for x
    x = 372,735,368.30/18,837.60
  6. Step 6: Final answer
    x = 19,786.78

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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.