Home / 14,119.75-19,485.66-7,832.53

Finding the Fourth Proportional to 14,119.75, 19,485.66 and 7,832.53

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Solution

The fourth proportional to 14,119.75, 19,485.66 and 7,832.53 is: 10,809.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.75 : 19,485.66 = 7,832.53 : x
  2. Step 2: Convert to fraction form
    14,119.75/19,485.66 = 7,832.53/x
  3. Step 3: Cross multiply
    14,119.75x = 19,485.66 × 7,832.53
  4. Step 4: Simplify right side
    14,119.75x = 152,622,016.52
  5. Step 5: Solve for x
    x = 152,622,016.52/14,119.75
  6. Step 6: Final answer
    x = 10,809.12

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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.