Home / 18,623.58-25,705.99-11,075.23

Finding the Fourth Proportional to 18,623.58, 25,705.99 and 11,075.23

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Solution

The fourth proportional to 18,623.58, 25,705.99 and 11,075.23 is: 15,287.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.58 : 25,705.99 = 11,075.23 : x
  2. Step 2: Convert to fraction form
    18,623.58/25,705.99 = 11,075.23/x
  3. Step 3: Cross multiply
    18,623.58x = 25,705.99 × 11,075.23
  4. Step 4: Simplify right side
    18,623.58x = 284,699,751.63
  5. Step 5: Solve for x
    x = 284,699,751.63/18,623.58
  6. Step 6: Final answer
    x = 15,287.06

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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.