Home / 19,271.82-28,909.66-5,232.08

Finding the Fourth Proportional to 19,271.82, 28,909.66 and 5,232.08

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Solution

The fourth proportional to 19,271.82, 28,909.66 and 5,232.08 is: 7,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.82 : 28,909.66 = 5,232.08 : x
  2. Step 2: Convert to fraction form
    19,271.82/28,909.66 = 5,232.08/x
  3. Step 3: Cross multiply
    19,271.82x = 28,909.66 × 5,232.08
  4. Step 4: Simplify right side
    19,271.82x = 151,257,653.89
  5. Step 5: Solve for x
    x = 151,257,653.89/19,271.82
  6. Step 6: Final answer
    x = 7,848.64

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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.