Home / 18,583.36-25,645.26-10,085.62

Finding the Fourth Proportional to 18,583.36, 25,645.26 and 10,085.62

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Solution

The fourth proportional to 18,583.36, 25,645.26 and 10,085.62 is: 13,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.36 : 25,645.26 = 10,085.62 : x
  2. Step 2: Convert to fraction form
    18,583.36/25,645.26 = 10,085.62/x
  3. Step 3: Cross multiply
    18,583.36x = 25,645.26 × 10,085.62
  4. Step 4: Simplify right side
    18,583.36x = 258,648,347.16
  5. Step 5: Solve for x
    x = 258,648,347.16/18,583.36
  6. Step 6: Final answer
    x = 13,918.28

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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.