Home / 19,160.42-28,723.58-7,470.95

Finding the Fourth Proportional to 19,160.42, 28,723.58 and 7,470.95

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Solution

The fourth proportional to 19,160.42, 28,723.58 and 7,470.95 is: 11,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.42 : 28,723.58 = 7,470.95 : x
  2. Step 2: Convert to fraction form
    19,160.42/28,723.58 = 7,470.95/x
  3. Step 3: Cross multiply
    19,160.42x = 28,723.58 × 7,470.95
  4. Step 4: Simplify right side
    19,160.42x = 214,592,392.65
  5. Step 5: Solve for x
    x = 214,592,392.65/19,160.42
  6. Step 6: Final answer
    x = 11,199.77

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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.