Home / 19,275.14-28,912.71-6,127.51

Finding the Fourth Proportional to 19,275.14, 28,912.71 and 6,127.51

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Solution

The fourth proportional to 19,275.14, 28,912.71 and 6,127.51 is: 9,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.14 : 28,912.71 = 6,127.51 : x
  2. Step 2: Convert to fraction form
    19,275.14/28,912.71 = 6,127.51/x
  3. Step 3: Cross multiply
    19,275.14x = 28,912.71 × 6,127.51
  4. Step 4: Simplify right side
    19,275.14x = 177,162,919.65
  5. Step 5: Solve for x
    x = 177,162,919.65/19,275.14
  6. Step 6: Final answer
    x = 9,191.27

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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.