Home / 28,555.14-42,814.44-13,734.54

Finding the Fourth Proportional to 28,555.14, 42,814.44 and 13,734.54

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Solution

The fourth proportional to 28,555.14, 42,814.44 and 13,734.54 is: 20,593.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555.14 : 42,814.44 = 13,734.54 : x
  2. Step 2: Convert to fraction form
    28,555.14/42,814.44 = 13,734.54/x
  3. Step 3: Cross multiply
    28,555.14x = 42,814.44 × 13,734.54
  4. Step 4: Simplify right side
    28,555.14x = 588,036,638.76
  5. Step 5: Solve for x
    x = 588,036,638.76/28,555.14
  6. Step 6: Final answer
    x = 20,593.02

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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.