Home / 17,120.81-25,637.36-11,848.52

Finding the Fourth Proportional to 17,120.81, 25,637.36 and 11,848.52

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Solution

The fourth proportional to 17,120.81, 25,637.36 and 11,848.52 is: 17,742.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.81 : 25,637.36 = 11,848.52 : x
  2. Step 2: Convert to fraction form
    17,120.81/25,637.36 = 11,848.52/x
  3. Step 3: Cross multiply
    17,120.81x = 25,637.36 × 11,848.52
  4. Step 4: Simplify right side
    17,120.81x = 303,764,644.52
  5. Step 5: Solve for x
    x = 303,764,644.52/17,120.81
  6. Step 6: Final answer
    x = 17,742.43

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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.