Home / 14,790.12-20,413.80-9,755.24

Finding the Fourth Proportional to 14,790.12, 20,413.80 and 9,755.24

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Solution

The fourth proportional to 14,790.12, 20,413.80 and 9,755.24 is: 13,464.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.12 : 20,413.80 = 9,755.24 : x
  2. Step 2: Convert to fraction form
    14,790.12/20,413.80 = 9,755.24/x
  3. Step 3: Cross multiply
    14,790.12x = 20,413.80 × 9,755.24
  4. Step 4: Simplify right side
    14,790.12x = 199,141,518.31
  5. Step 5: Solve for x
    x = 199,141,518.31/14,790.12
  6. Step 6: Final answer
    x = 13,464.50

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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.