Home / 13,925.13-19,216.62-7,637.37

Finding the Fourth Proportional to 13,925.13, 19,216.62 and 7,637.37

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Solution

The fourth proportional to 13,925.13, 19,216.62 and 7,637.37 is: 10,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,925.13 : 19,216.62 = 7,637.37 : x
  2. Step 2: Convert to fraction form
    13,925.13/19,216.62 = 7,637.37/x
  3. Step 3: Cross multiply
    13,925.13x = 19,216.62 × 7,637.37
  4. Step 4: Simplify right side
    13,925.13x = 146,764,437.09
  5. Step 5: Solve for x
    x = 146,764,437.09/13,925.13
  6. Step 6: Final answer
    x = 10,539.54

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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.