Home / 13,043.93-19,561.77-4,276.79

Finding the Fourth Proportional to 13,043.93, 19,561.77 and 4,276.79

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Solution

The fourth proportional to 13,043.93, 19,561.77 and 4,276.79 is: 6,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.93 : 19,561.77 = 4,276.79 : x
  2. Step 2: Convert to fraction form
    13,043.93/19,561.77 = 4,276.79/x
  3. Step 3: Cross multiply
    13,043.93x = 19,561.77 × 4,276.79
  4. Step 4: Simplify right side
    13,043.93x = 83,661,484.51
  5. Step 5: Solve for x
    x = 83,661,484.51/13,043.93
  6. Step 6: Final answer
    x = 6,413.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.