Home / 19,036.55-28,538.42-7,357.97

Finding the Fourth Proportional to 19,036.55, 28,538.42 and 7,357.97

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Solution

The fourth proportional to 19,036.55, 28,538.42 and 7,357.97 is: 11,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.55 : 28,538.42 = 7,357.97 : x
  2. Step 2: Convert to fraction form
    19,036.55/28,538.42 = 7,357.97/x
  3. Step 3: Cross multiply
    19,036.55x = 28,538.42 × 7,357.97
  4. Step 4: Simplify right side
    19,036.55x = 209,984,658.73
  5. Step 5: Solve for x
    x = 209,984,658.73/19,036.55
  6. Step 6: Final answer
    x = 11,030.61

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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.