Home / 19,953.47-27,538.26-11,458.25

Finding the Fourth Proportional to 19,953.47, 27,538.26 and 11,458.25

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Solution

The fourth proportional to 19,953.47, 27,538.26 and 11,458.25 is: 15,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.47 : 27,538.26 = 11,458.25 : x
  2. Step 2: Convert to fraction form
    19,953.47/27,538.26 = 11,458.25/x
  3. Step 3: Cross multiply
    19,953.47x = 27,538.26 × 11,458.25
  4. Step 4: Simplify right side
    19,953.47x = 315,540,129.95
  5. Step 5: Solve for x
    x = 315,540,129.95/19,953.47
  6. Step 6: Final answer
    x = 15,813.80

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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.