Home / 18,736.66-25,856.60-10,353.16

Finding the Fourth Proportional to 18,736.66, 25,856.60 and 10,353.16

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Solution

The fourth proportional to 18,736.66, 25,856.60 and 10,353.16 is: 14,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.66 : 25,856.60 = 10,353.16 : x
  2. Step 2: Convert to fraction form
    18,736.66/25,856.60 = 10,353.16/x
  3. Step 3: Cross multiply
    18,736.66x = 25,856.60 × 10,353.16
  4. Step 4: Simplify right side
    18,736.66x = 267,697,465.09
  5. Step 5: Solve for x
    x = 267,697,465.09/18,736.66
  6. Step 6: Final answer
    x = 14,287.36

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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.