Home / 18,538.22-25,582.62-10,040.15

Finding the Fourth Proportional to 18,538.22, 25,582.62 and 10,040.15

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Solution

The fourth proportional to 18,538.22, 25,582.62 and 10,040.15 is: 13,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.22 : 25,582.62 = 10,040.15 : x
  2. Step 2: Convert to fraction form
    18,538.22/25,582.62 = 10,040.15/x
  3. Step 3: Cross multiply
    18,538.22x = 25,582.62 × 10,040.15
  4. Step 4: Simplify right side
    18,538.22x = 256,853,323.37
  5. Step 5: Solve for x
    x = 256,853,323.37/18,538.22
  6. Step 6: Final answer
    x = 13,855.34

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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.