Home / 19,295.72-28,943.55-12,674.03

Finding the Fourth Proportional to 19,295.72, 28,943.55 and 12,674.03

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Solution

The fourth proportional to 19,295.72, 28,943.55 and 12,674.03 is: 19,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.72 : 28,943.55 = 12,674.03 : x
  2. Step 2: Convert to fraction form
    19,295.72/28,943.55 = 12,674.03/x
  3. Step 3: Cross multiply
    19,295.72x = 28,943.55 × 12,674.03
  4. Step 4: Simplify right side
    19,295.72x = 366,831,276.29
  5. Step 5: Solve for x
    x = 366,831,276.29/19,295.72
  6. Step 6: Final answer
    x = 19,011.02

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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.