Home / 19,148.87-28,705.79-8,056.34

Finding the Fourth Proportional to 19,148.87, 28,705.79 and 8,056.34

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Solution

The fourth proportional to 19,148.87, 28,705.79 and 8,056.34 is: 12,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.87 : 28,705.79 = 8,056.34 : x
  2. Step 2: Convert to fraction form
    19,148.87/28,705.79 = 8,056.34/x
  3. Step 3: Cross multiply
    19,148.87x = 28,705.79 × 8,056.34
  4. Step 4: Simplify right side
    19,148.87x = 231,263,588.47
  5. Step 5: Solve for x
    x = 231,263,588.47/19,148.87
  6. Step 6: Final answer
    x = 12,077.14

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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.