Home / 18,736.32-25,855.68-10,352.64

Finding the Fourth Proportional to 18,736.32, 25,855.68 and 10,352.64

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Solution

The fourth proportional to 18,736.32, 25,855.68 and 10,352.64 is: 14,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.32 : 25,855.68 = 10,352.64 : x
  2. Step 2: Convert to fraction form
    18,736.32/25,855.68 = 10,352.64/x
  3. Step 3: Cross multiply
    18,736.32x = 25,855.68 × 10,352.64
  4. Step 4: Simplify right side
    18,736.32x = 267,674,547.00
  5. Step 5: Solve for x
    x = 267,674,547.00/18,736.32
  6. Step 6: Final answer
    x = 14,286.40

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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.