Home / 28,582.59-42,845.64-13,563.33

Finding the Fourth Proportional to 28,582.59, 42,845.64 and 13,563.33

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Solution

The fourth proportional to 28,582.59, 42,845.64 and 13,563.33 is: 20,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.59 : 42,845.64 = 13,563.33 : x
  2. Step 2: Convert to fraction form
    28,582.59/42,845.64 = 13,563.33/x
  3. Step 3: Cross multiply
    28,582.59x = 42,845.64 × 13,563.33
  4. Step 4: Simplify right side
    28,582.59x = 581,129,554.38
  5. Step 5: Solve for x
    x = 581,129,554.38/28,582.59
  6. Step 6: Final answer
    x = 20,331.59

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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.