Home / 15,785.14-23,670.37-9,213.16

Finding the Fourth Proportional to 15,785.14, 23,670.37 and 9,213.16

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Solution

The fourth proportional to 15,785.14, 23,670.37 and 9,213.16 is: 13,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,785.14 : 23,670.37 = 9,213.16 : x
  2. Step 2: Convert to fraction form
    15,785.14/23,670.37 = 9,213.16/x
  3. Step 3: Cross multiply
    15,785.14x = 23,670.37 × 9,213.16
  4. Step 4: Simplify right side
    15,785.14x = 218,078,906.07
  5. Step 5: Solve for x
    x = 218,078,906.07/15,785.14
  6. Step 6: Final answer
    x = 13,815.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.