Home / 14,747.41-20,331.52-14,288.77

Finding the Fourth Proportional to 14,747.41, 20,331.52 and 14,288.77

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Solution

The fourth proportional to 14,747.41, 20,331.52 and 14,288.77 is: 19,699.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.41 : 20,331.52 = 14,288.77 : x
  2. Step 2: Convert to fraction form
    14,747.41/20,331.52 = 14,288.77/x
  3. Step 3: Cross multiply
    14,747.41x = 20,331.52 × 14,288.77
  4. Step 4: Simplify right side
    14,747.41x = 290,512,413.03
  5. Step 5: Solve for x
    x = 290,512,413.03/14,747.41
  6. Step 6: Final answer
    x = 19,699.22

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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.