Home / 18,583.08-25,644.81-10,085.19

Finding the Fourth Proportional to 18,583.08, 25,644.81 and 10,085.19

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Solution

The fourth proportional to 18,583.08, 25,644.81 and 10,085.19 is: 13,917.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.08 : 25,644.81 = 10,085.19 : x
  2. Step 2: Convert to fraction form
    18,583.08/25,644.81 = 10,085.19/x
  3. Step 3: Cross multiply
    18,583.08x = 25,644.81 × 10,085.19
  4. Step 4: Simplify right side
    18,583.08x = 258,632,781.36
  5. Step 5: Solve for x
    x = 258,632,781.36/18,583.08
  6. Step 6: Final answer
    x = 13,917.65

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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.