Home / 14,065.44-19,409.59-7,776.60

Finding the Fourth Proportional to 14,065.44, 19,409.59 and 7,776.60

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Solution

The fourth proportional to 14,065.44, 19,409.59 and 7,776.60 is: 10,731.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.44 : 19,409.59 = 7,776.60 : x
  2. Step 2: Convert to fraction form
    14,065.44/19,409.59 = 7,776.60/x
  3. Step 3: Cross multiply
    14,065.44x = 19,409.59 × 7,776.60
  4. Step 4: Simplify right side
    14,065.44x = 150,940,617.59
  5. Step 5: Solve for x
    x = 150,940,617.59/14,065.44
  6. Step 6: Final answer
    x = 10,731.31

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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.