Home / 19,361.40-28,998.90-14,964.60

Finding the Fourth Proportional to 19,361.40, 28,998.90 and 14,964.60

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Solution

The fourth proportional to 19,361.40, 28,998.90 and 14,964.60 is: 22,413.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361.40 : 28,998.90 = 14,964.60 : x
  2. Step 2: Convert to fraction form
    19,361.40/28,998.90 = 14,964.60/x
  3. Step 3: Cross multiply
    19,361.40x = 28,998.90 × 14,964.60
  4. Step 4: Simplify right side
    19,361.40x = 433,956,938.94
  5. Step 5: Solve for x
    x = 433,956,938.94/19,361.40
  6. Step 6: Final answer
    x = 22,413.51

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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.