Home / 14,146.25-19,522.44-7,858.63

Finding the Fourth Proportional to 14,146.25, 19,522.44 and 7,858.63

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Solution

The fourth proportional to 14,146.25, 19,522.44 and 7,858.63 is: 10,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.25 : 19,522.44 = 7,858.63 : x
  2. Step 2: Convert to fraction form
    14,146.25/19,522.44 = 7,858.63/x
  3. Step 3: Cross multiply
    14,146.25x = 19,522.44 × 7,858.63
  4. Step 4: Simplify right side
    14,146.25x = 153,419,632.66
  5. Step 5: Solve for x
    x = 153,419,632.66/14,146.25
  6. Step 6: Final answer
    x = 10,845.25

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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.