Home / 13,840.37-19,096.79-8,802.75

Finding the Fourth Proportional to 13,840.37, 19,096.79 and 8,802.75

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Solution

The fourth proportional to 13,840.37, 19,096.79 and 8,802.75 is: 12,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.37 : 19,096.79 = 8,802.75 : x
  2. Step 2: Convert to fraction form
    13,840.37/19,096.79 = 8,802.75/x
  3. Step 3: Cross multiply
    13,840.37x = 19,096.79 × 8,802.75
  4. Step 4: Simplify right side
    13,840.37x = 168,104,224.16
  5. Step 5: Solve for x
    x = 168,104,224.16/13,840.37
  6. Step 6: Final answer
    x = 12,145.94

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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.