Home / 19,580.07-27,020.52-11,196.57

Finding the Fourth Proportional to 19,580.07, 27,020.52 and 11,196.57

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Solution

The fourth proportional to 19,580.07, 27,020.52 and 11,196.57 is: 15,451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,580.07 : 27,020.52 = 11,196.57 : x
  2. Step 2: Convert to fraction form
    19,580.07/27,020.52 = 11,196.57/x
  3. Step 3: Cross multiply
    19,580.07x = 27,020.52 × 11,196.57
  4. Step 4: Simplify right side
    19,580.07x = 302,537,143.62
  5. Step 5: Solve for x
    x = 302,537,143.62/19,580.07
  6. Step 6: Final answer
    x = 15,451.28

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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.