Home / 19,153.20-28,730.57-6,674.47

Finding the Fourth Proportional to 19,153.20, 28,730.57 and 6,674.47

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Solution

The fourth proportional to 19,153.20, 28,730.57 and 6,674.47 is: 10,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.20 : 28,730.57 = 6,674.47 : x
  2. Step 2: Convert to fraction form
    19,153.20/28,730.57 = 6,674.47/x
  3. Step 3: Cross multiply
    19,153.20x = 28,730.57 × 6,674.47
  4. Step 4: Simplify right side
    19,153.20x = 191,761,327.55
  5. Step 5: Solve for x
    x = 191,761,327.55/19,153.20
  6. Step 6: Final answer
    x = 10,011.97

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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.