Home / 14,808.40-20,413.94-11,265.46

Finding the Fourth Proportional to 14,808.40, 20,413.94 and 11,265.46

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Solution

The fourth proportional to 14,808.40, 20,413.94 and 11,265.46 is: 15,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.40 : 20,413.94 = 11,265.46 : x
  2. Step 2: Convert to fraction form
    14,808.40/20,413.94 = 11,265.46/x
  3. Step 3: Cross multiply
    14,808.40x = 20,413.94 × 11,265.46
  4. Step 4: Simplify right side
    14,808.40x = 229,972,424.51
  5. Step 5: Solve for x
    x = 229,972,424.51/14,808.40
  6. Step 6: Final answer
    x = 15,529.86

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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.