Home / 13,923.95-19,216.26-7,637.54

Finding the Fourth Proportional to 13,923.95, 19,216.26 and 7,637.54

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Solution

The fourth proportional to 13,923.95, 19,216.26 and 7,637.54 is: 10,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.95 : 19,216.26 = 7,637.54 : x
  2. Step 2: Convert to fraction form
    13,923.95/19,216.26 = 7,637.54/x
  3. Step 3: Cross multiply
    13,923.95x = 19,216.26 × 7,637.54
  4. Step 4: Simplify right side
    13,923.95x = 146,764,858.32
  5. Step 5: Solve for x
    x = 146,764,858.32/13,923.95
  6. Step 6: Final answer
    x = 10,540.47

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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.