Home / 19,570.76-27,007.46-11,074.54

Finding the Fourth Proportional to 19,570.76, 27,007.46 and 11,074.54

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Solution

The fourth proportional to 19,570.76, 27,007.46 and 11,074.54 is: 15,282.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.76 : 27,007.46 = 11,074.54 : x
  2. Step 2: Convert to fraction form
    19,570.76/27,007.46 = 11,074.54/x
  3. Step 3: Cross multiply
    19,570.76x = 27,007.46 × 11,074.54
  4. Step 4: Simplify right side
    19,570.76x = 299,095,196.07
  5. Step 5: Solve for x
    x = 299,095,196.07/19,570.76
  6. Step 6: Final answer
    x = 15,282.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.