Home / 12,425.05-18,637.62-4,633.75

Finding the Fourth Proportional to 12,425.05, 18,637.62 and 4,633.75

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Solution

The fourth proportional to 12,425.05, 18,637.62 and 4,633.75 is: 6,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.05 : 18,637.62 = 4,633.75 : x
  2. Step 2: Convert to fraction form
    12,425.05/18,637.62 = 4,633.75/x
  3. Step 3: Cross multiply
    12,425.05x = 18,637.62 × 4,633.75
  4. Step 4: Simplify right side
    12,425.05x = 86,362,071.68
  5. Step 5: Solve for x
    x = 86,362,071.68/12,425.05
  6. Step 6: Final answer
    x = 6,950.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.