Home / 13,932.26-19,226.40-7,558.86

Finding the Fourth Proportional to 13,932.26, 19,226.40 and 7,558.86

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Solution

The fourth proportional to 13,932.26, 19,226.40 and 7,558.86 is: 10,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.26 : 19,226.40 = 7,558.86 : x
  2. Step 2: Convert to fraction form
    13,932.26/19,226.40 = 7,558.86/x
  3. Step 3: Cross multiply
    13,932.26x = 19,226.40 × 7,558.86
  4. Step 4: Simplify right side
    13,932.26x = 145,329,665.90
  5. Step 5: Solve for x
    x = 145,329,665.90/13,932.26
  6. Step 6: Final answer
    x = 10,431.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.