Home / 15,995.36-23,989.11-7,105.79

Finding the Fourth Proportional to 15,995.36, 23,989.11 and 7,105.79

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Solution

The fourth proportional to 15,995.36, 23,989.11 and 7,105.79 is: 10,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.36 : 23,989.11 = 7,105.79 : x
  2. Step 2: Convert to fraction form
    15,995.36/23,989.11 = 7,105.79/x
  3. Step 3: Cross multiply
    15,995.36x = 23,989.11 × 7,105.79
  4. Step 4: Simplify right side
    15,995.36x = 170,461,458.00
  5. Step 5: Solve for x
    x = 170,461,458.00/15,995.36
  6. Step 6: Final answer
    x = 10,656.93

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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.