Home / 23,075.08-31,843.94-13,643.64

Finding the Fourth Proportional to 23,075.08, 31,843.94 and 13,643.64

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Solution

The fourth proportional to 23,075.08, 31,843.94 and 13,643.64 is: 18,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,075.08 : 31,843.94 = 13,643.64 : x
  2. Step 2: Convert to fraction form
    23,075.08/31,843.94 = 13,643.64/x
  3. Step 3: Cross multiply
    23,075.08x = 31,843.94 × 13,643.64
  4. Step 4: Simplify right side
    23,075.08x = 434,467,185.32
  5. Step 5: Solve for x
    x = 434,467,185.32/23,075.08
  6. Step 6: Final answer
    x = 18,828.42

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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.