Home / 28,633.14-39,505.65-18,562.01

Finding the Fourth Proportional to 28,633.14, 39,505.65 and 18,562.01

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Solution

The fourth proportional to 28,633.14, 39,505.65 and 18,562.01 is: 25,610.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,633.14 : 39,505.65 = 18,562.01 : x
  2. Step 2: Convert to fraction form
    28,633.14/39,505.65 = 18,562.01/x
  3. Step 3: Cross multiply
    28,633.14x = 39,505.65 × 18,562.01
  4. Step 4: Simplify right side
    28,633.14x = 733,304,072.83
  5. Step 5: Solve for x
    x = 733,304,072.83/28,633.14
  6. Step 6: Final answer
    x = 25,610.33

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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.