Home / 14,021.81-19,339.58-9,773.09

Finding the Fourth Proportional to 14,021.81, 19,339.58 and 9,773.09

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Solution

The fourth proportional to 14,021.81, 19,339.58 and 9,773.09 is: 13,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.81 : 19,339.58 = 9,773.09 : x
  2. Step 2: Convert to fraction form
    14,021.81/19,339.58 = 9,773.09/x
  3. Step 3: Cross multiply
    14,021.81x = 19,339.58 × 9,773.09
  4. Step 4: Simplify right side
    14,021.81x = 189,007,383.64
  5. Step 5: Solve for x
    x = 189,007,383.64/14,021.81
  6. Step 6: Final answer
    x = 13,479.53

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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.