Home / 19,538.69-26,959.23-11,583.47

Finding the Fourth Proportional to 19,538.69, 26,959.23 and 11,583.47

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Solution

The fourth proportional to 19,538.69, 26,959.23 and 11,583.47 is: 15,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,538.69 : 26,959.23 = 11,583.47 : x
  2. Step 2: Convert to fraction form
    19,538.69/26,959.23 = 11,583.47/x
  3. Step 3: Cross multiply
    19,538.69x = 26,959.23 × 11,583.47
  4. Step 4: Simplify right side
    19,538.69x = 312,281,499.33
  5. Step 5: Solve for x
    x = 312,281,499.33/19,538.69
  6. Step 6: Final answer
    x = 15,982.73

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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.