Home / 15,291.09-22,939.94-4,760.90

Finding the Fourth Proportional to 15,291.09, 22,939.94 and 4,760.90

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Solution

The fourth proportional to 15,291.09, 22,939.94 and 4,760.90 is: 7,142.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.09 : 22,939.94 = 4,760.90 : x
  2. Step 2: Convert to fraction form
    15,291.09/22,939.94 = 4,760.90/x
  3. Step 3: Cross multiply
    15,291.09x = 22,939.94 × 4,760.90
  4. Step 4: Simplify right side
    15,291.09x = 109,214,621.84
  5. Step 5: Solve for x
    x = 109,214,621.84/15,291.09
  6. Step 6: Final answer
    x = 7,142.37

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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.