Home / 19,570.92-27,007.26-11,072.40

Finding the Fourth Proportional to 19,570.92, 27,007.26 and 11,072.40

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Solution

The fourth proportional to 19,570.92, 27,007.26 and 11,072.40 is: 15,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.92 : 27,007.26 = 11,072.40 : x
  2. Step 2: Convert to fraction form
    19,570.92/27,007.26 = 11,072.40/x
  3. Step 3: Cross multiply
    19,570.92x = 27,007.26 × 11,072.40
  4. Step 4: Simplify right side
    19,570.92x = 299,035,185.62
  5. Step 5: Solve for x
    x = 299,035,185.62/19,570.92
  6. Step 6: Final answer
    x = 15,279.57

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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.