Home / 15,081.06-20,798.22-9,416.33

Finding the Fourth Proportional to 15,081.06, 20,798.22 and 9,416.33

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Solution

The fourth proportional to 15,081.06, 20,798.22 and 9,416.33 is: 12,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,081.06 : 20,798.22 = 9,416.33 : x
  2. Step 2: Convert to fraction form
    15,081.06/20,798.22 = 9,416.33/x
  3. Step 3: Cross multiply
    15,081.06x = 20,798.22 × 9,416.33
  4. Step 4: Simplify right side
    15,081.06x = 195,842,902.93
  5. Step 5: Solve for x
    x = 195,842,902.93/15,081.06
  6. Step 6: Final answer
    x = 12,986.02

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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.