Home / 18,583.98-25,645.32-10,085.70

Finding the Fourth Proportional to 18,583.98, 25,645.32 and 10,085.70

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Solution

The fourth proportional to 18,583.98, 25,645.32 and 10,085.70 is: 13,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.98 : 25,645.32 = 10,085.70 : x
  2. Step 2: Convert to fraction form
    18,583.98/25,645.32 = 10,085.70/x
  3. Step 3: Cross multiply
    18,583.98x = 25,645.32 × 10,085.70
  4. Step 4: Simplify right side
    18,583.98x = 258,651,003.92
  5. Step 5: Solve for x
    x = 258,651,003.92/18,583.98
  6. Step 6: Final answer
    x = 13,917.96

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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.