Home / 14,378.93-19,842.16-8,091.71

Finding the Fourth Proportional to 14,378.93, 19,842.16 and 8,091.71

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Solution

The fourth proportional to 14,378.93, 19,842.16 and 8,091.71 is: 11,166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.93 : 19,842.16 = 8,091.71 : x
  2. Step 2: Convert to fraction form
    14,378.93/19,842.16 = 8,091.71/x
  3. Step 3: Cross multiply
    14,378.93x = 19,842.16 × 8,091.71
  4. Step 4: Simplify right side
    14,378.93x = 160,557,004.49
  5. Step 5: Solve for x
    x = 160,557,004.49/14,378.93
  6. Step 6: Final answer
    x = 11,166.13

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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.