Home / 18,621.12-25,696.32-10,237.44

Finding the Fourth Proportional to 18,621.12, 25,696.32 and 10,237.44

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Solution

The fourth proportional to 18,621.12, 25,696.32 and 10,237.44 is: 14,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.12 : 25,696.32 = 10,237.44 : x
  2. Step 2: Convert to fraction form
    18,621.12/25,696.32 = 10,237.44/x
  3. Step 3: Cross multiply
    18,621.12x = 25,696.32 × 10,237.44
  4. Step 4: Simplify right side
    18,621.12x = 263,064,534.22
  5. Step 5: Solve for x
    x = 263,064,534.22/18,621.12
  6. Step 6: Final answer
    x = 14,127.21

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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.