Home / 19,039.34-28,577.46-9,185.54

Finding the Fourth Proportional to 19,039.34, 28,577.46 and 9,185.54

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Solution

The fourth proportional to 19,039.34, 28,577.46 and 9,185.54 is: 13,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.34 : 28,577.46 = 9,185.54 : x
  2. Step 2: Convert to fraction form
    19,039.34/28,577.46 = 9,185.54/x
  3. Step 3: Cross multiply
    19,039.34x = 28,577.46 × 9,185.54
  4. Step 4: Simplify right side
    19,039.34x = 262,499,259.04
  5. Step 5: Solve for x
    x = 262,499,259.04/19,039.34
  6. Step 6: Final answer
    x = 13,787.21

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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.