Home / 14,440.78-19,922.25-9,716.86

Finding the Fourth Proportional to 14,440.78, 19,922.25 and 9,716.86

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Solution

The fourth proportional to 14,440.78, 19,922.25 and 9,716.86 is: 13,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.78 : 19,922.25 = 9,716.86 : x
  2. Step 2: Convert to fraction form
    14,440.78/19,922.25 = 9,716.86/x
  3. Step 3: Cross multiply
    14,440.78x = 19,922.25 × 9,716.86
  4. Step 4: Simplify right side
    14,440.78x = 193,581,714.14
  5. Step 5: Solve for x
    x = 193,581,714.14/14,440.78
  6. Step 6: Final answer
    x = 13,405.21

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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.