Home / 14,093.16-19,440.64-9,380.56

Finding the Fourth Proportional to 14,093.16, 19,440.64 and 9,380.56

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Solution

The fourth proportional to 14,093.16, 19,440.64 and 9,380.56 is: 12,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.16 : 19,440.64 = 9,380.56 : x
  2. Step 2: Convert to fraction form
    14,093.16/19,440.64 = 9,380.56/x
  3. Step 3: Cross multiply
    14,093.16x = 19,440.64 × 9,380.56
  4. Step 4: Simplify right side
    14,093.16x = 182,364,089.96
  5. Step 5: Solve for x
    x = 182,364,089.96/14,093.16
  6. Step 6: Final answer
    x = 12,939.90

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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.