Home / 18,170.23-25,075.55-10,212.29

Finding the Fourth Proportional to 18,170.23, 25,075.55 and 10,212.29

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Solution

The fourth proportional to 18,170.23, 25,075.55 and 10,212.29 is: 14,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.23 : 25,075.55 = 10,212.29 : x
  2. Step 2: Convert to fraction form
    18,170.23/25,075.55 = 10,212.29/x
  3. Step 3: Cross multiply
    18,170.23x = 25,075.55 × 10,212.29
  4. Step 4: Simplify right side
    18,170.23x = 256,078,788.51
  5. Step 5: Solve for x
    x = 256,078,788.51/18,170.23
  6. Step 6: Final answer
    x = 14,093.32

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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.