Home / 18,736.56-25,856.16-10,353.12

Finding the Fourth Proportional to 18,736.56, 25,856.16 and 10,353.12

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Solution

The fourth proportional to 18,736.56, 25,856.16 and 10,353.12 is: 14,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.56 : 25,856.16 = 10,353.12 : x
  2. Step 2: Convert to fraction form
    18,736.56/25,856.16 = 10,353.12/x
  3. Step 3: Cross multiply
    18,736.56x = 25,856.16 × 10,353.12
  4. Step 4: Simplify right side
    18,736.56x = 267,691,927.22
  5. Step 5: Solve for x
    x = 267,691,927.22/18,736.56
  6. Step 6: Final answer
    x = 14,287.14

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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.