Home / 14,359.63-19,815.66-7,986.19

Finding the Fourth Proportional to 14,359.63, 19,815.66 and 7,986.19

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Solution

The fourth proportional to 14,359.63, 19,815.66 and 7,986.19 is: 11,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.63 : 19,815.66 = 7,986.19 : x
  2. Step 2: Convert to fraction form
    14,359.63/19,815.66 = 7,986.19/x
  3. Step 3: Cross multiply
    14,359.63x = 19,815.66 × 7,986.19
  4. Step 4: Simplify right side
    14,359.63x = 158,251,625.74
  5. Step 5: Solve for x
    x = 158,251,625.74/14,359.63
  6. Step 6: Final answer
    x = 11,020.59

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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.