Home / 37,606.75-56,413.87-13,920.63

Finding the Fourth Proportional to 37,606.75, 56,413.87 and 13,920.63

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Solution

The fourth proportional to 37,606.75, 56,413.87 and 13,920.63 is: 20,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,606.75 : 56,413.87 = 13,920.63 : x
  2. Step 2: Convert to fraction form
    37,606.75/56,413.87 = 13,920.63/x
  3. Step 3: Cross multiply
    37,606.75x = 56,413.87 × 13,920.63
  4. Step 4: Simplify right side
    37,606.75x = 785,316,364.78
  5. Step 5: Solve for x
    x = 785,316,364.78/37,606.75
  6. Step 6: Final answer
    x = 20,882.33

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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.