Home / 19,298.12-28,950.62-6,147.36

Finding the Fourth Proportional to 19,298.12, 28,950.62 and 6,147.36

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Solution

The fourth proportional to 19,298.12, 28,950.62 and 6,147.36 is: 9,222.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.12 : 28,950.62 = 6,147.36 : x
  2. Step 2: Convert to fraction form
    19,298.12/28,950.62 = 6,147.36/x
  3. Step 3: Cross multiply
    19,298.12x = 28,950.62 × 6,147.36
  4. Step 4: Simplify right side
    19,298.12x = 177,969,852.63
  5. Step 5: Solve for x
    x = 177,969,852.63/19,298.12
  6. Step 6: Final answer
    x = 9,222.14

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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.