Home / 19,923.54-27,483-12,458.58

Finding the Fourth Proportional to 19,923.54, 27,483 and 12,458.58

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Solution

The fourth proportional to 19,923.54, 27,483 and 12,458.58 is: 17,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.54 : 27,483 = 12,458.58 : x
  2. Step 2: Convert to fraction form
    19,923.54/27,483 = 12,458.58/x
  3. Step 3: Cross multiply
    19,923.54x = 27,483 × 12,458.58
  4. Step 4: Simplify right side
    19,923.54x = 342,399,154.14
  5. Step 5: Solve for x
    x = 342,399,154.14/19,923.54
  6. Step 6: Final answer
    x = 17,185.66

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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.