Home / 18,736.56-25,856.40-10,353

Finding the Fourth Proportional to 18,736.56, 25,856.40 and 10,353

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Solution

The fourth proportional to 18,736.56, 25,856.40 and 10,353 is: 14,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.56 : 25,856.40 = 10,353 : x
  2. Step 2: Convert to fraction form
    18,736.56/25,856.40 = 10,353/x
  3. Step 3: Cross multiply
    18,736.56x = 25,856.40 × 10,353
  4. Step 4: Simplify right side
    18,736.56x = 267,691,309.20
  5. Step 5: Solve for x
    x = 267,691,309.20/18,736.56
  6. Step 6: Final answer
    x = 14,287.11

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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.