Home / 13,925.08-19,216.26-7,637.56

Finding the Fourth Proportional to 13,925.08, 19,216.26 and 7,637.56

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Solution

The fourth proportional to 13,925.08, 19,216.26 and 7,637.56 is: 10,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.08 : 19,216.26 = 7,637.56 : x
  2. Step 2: Convert to fraction form
    13,925.08/19,216.26 = 7,637.56/x
  3. Step 3: Cross multiply
    13,925.08x = 19,216.26 × 7,637.56
  4. Step 4: Simplify right side
    13,925.08x = 146,765,338.73
  5. Step 5: Solve for x
    x = 146,765,338.73/13,925.08
  6. Step 6: Final answer
    x = 10,539.64

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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.