Home / 15,637.66-23,458.88-5,251.84

Finding the Fourth Proportional to 15,637.66, 23,458.88 and 5,251.84

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Solution

The fourth proportional to 15,637.66, 23,458.88 and 5,251.84 is: 7,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,637.66 : 23,458.88 = 5,251.84 : x
  2. Step 2: Convert to fraction form
    15,637.66/23,458.88 = 5,251.84/x
  3. Step 3: Cross multiply
    15,637.66x = 23,458.88 × 5,251.84
  4. Step 4: Simplify right side
    15,637.66x = 123,202,238.82
  5. Step 5: Solve for x
    x = 123,202,238.82/15,637.66
  6. Step 6: Final answer
    x = 7,878.56

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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.