Home / 15,238.80-22,858.26-5,372.72

Finding the Fourth Proportional to 15,238.80, 22,858.26 and 5,372.72

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Solution

The fourth proportional to 15,238.80, 22,858.26 and 5,372.72 is: 8,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.80 : 22,858.26 = 5,372.72 : x
  2. Step 2: Convert to fraction form
    15,238.80/22,858.26 = 5,372.72/x
  3. Step 3: Cross multiply
    15,238.80x = 22,858.26 × 5,372.72
  4. Step 4: Simplify right side
    15,238.80x = 122,811,030.67
  5. Step 5: Solve for x
    x = 122,811,030.67/15,238.80
  6. Step 6: Final answer
    x = 8,059.10

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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.