Home / 28,933.80-43,352.10-14,110.80

Finding the Fourth Proportional to 28,933.80, 43,352.10 and 14,110.80

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Solution

The fourth proportional to 28,933.80, 43,352.10 and 14,110.80 is: 21,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.80 : 43,352.10 = 14,110.80 : x
  2. Step 2: Convert to fraction form
    28,933.80/43,352.10 = 14,110.80/x
  3. Step 3: Cross multiply
    28,933.80x = 43,352.10 × 14,110.80
  4. Step 4: Simplify right side
    28,933.80x = 611,732,812.68
  5. Step 5: Solve for x
    x = 611,732,812.68/28,933.80
  6. Step 6: Final answer
    x = 21,142.50

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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.