Home / 20,240.88-30,365.64-7,094.04

Finding the Fourth Proportional to 20,240.88, 30,365.64 and 7,094.04

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Solution

The fourth proportional to 20,240.88, 30,365.64 and 7,094.04 is: 10,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240.88 : 30,365.64 = 7,094.04 : x
  2. Step 2: Convert to fraction form
    20,240.88/30,365.64 = 7,094.04/x
  3. Step 3: Cross multiply
    20,240.88x = 30,365.64 × 7,094.04
  4. Step 4: Simplify right side
    20,240.88x = 215,415,064.79
  5. Step 5: Solve for x
    x = 215,415,064.79/20,240.88
  6. Step 6: Final answer
    x = 10,642.57

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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.