Home / 19,138.76-28,674.16-16,337.32

Finding the Fourth Proportional to 19,138.76, 28,674.16 and 16,337.32

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Solution

The fourth proportional to 19,138.76, 28,674.16 and 16,337.32 is: 24,476.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.76 : 28,674.16 = 16,337.32 : x
  2. Step 2: Convert to fraction form
    19,138.76/28,674.16 = 16,337.32/x
  3. Step 3: Cross multiply
    19,138.76x = 28,674.16 × 16,337.32
  4. Step 4: Simplify right side
    19,138.76x = 468,458,927.65
  5. Step 5: Solve for x
    x = 468,458,927.65/19,138.76
  6. Step 6: Final answer
    x = 24,476.97

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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.