Home / 14,340.15-19,790.37-7,967.25

Finding the Fourth Proportional to 14,340.15, 19,790.37 and 7,967.25

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Solution

The fourth proportional to 14,340.15, 19,790.37 and 7,967.25 is: 10,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,340.15 : 19,790.37 = 7,967.25 : x
  2. Step 2: Convert to fraction form
    14,340.15/19,790.37 = 7,967.25/x
  3. Step 3: Cross multiply
    14,340.15x = 19,790.37 × 7,967.25
  4. Step 4: Simplify right side
    14,340.15x = 157,674,825.38
  5. Step 5: Solve for x
    x = 157,674,825.38/14,340.15
  6. Step 6: Final answer
    x = 10,995.34

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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.