Home / 20,623.01-30,934.24-5,040.77

Finding the Fourth Proportional to 20,623.01, 30,934.24 and 5,040.77

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Solution

The fourth proportional to 20,623.01, 30,934.24 and 5,040.77 is: 7,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,623.01 : 30,934.24 = 5,040.77 : x
  2. Step 2: Convert to fraction form
    20,623.01/30,934.24 = 5,040.77/x
  3. Step 3: Cross multiply
    20,623.01x = 30,934.24 × 5,040.77
  4. Step 4: Simplify right side
    20,623.01x = 155,932,221.69
  5. Step 5: Solve for x
    x = 155,932,221.69/20,623.01
  6. Step 6: Final answer
    x = 7,561.08

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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.