Home / 13,932.22-19,226.60-7,558.78

Finding the Fourth Proportional to 13,932.22, 19,226.60 and 7,558.78

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Solution

The fourth proportional to 13,932.22, 19,226.60 and 7,558.78 is: 10,431.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.22 : 19,226.60 = 7,558.78 : x
  2. Step 2: Convert to fraction form
    13,932.22/19,226.60 = 7,558.78/x
  3. Step 3: Cross multiply
    13,932.22x = 19,226.60 × 7,558.78
  4. Step 4: Simplify right side
    13,932.22x = 145,329,639.55
  5. Step 5: Solve for x
    x = 145,329,639.55/13,932.22
  6. Step 6: Final answer
    x = 10,431.19

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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.