Home / 19,153.27-28,722.79-6,670.09

Finding the Fourth Proportional to 19,153.27, 28,722.79 and 6,670.09

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Solution

The fourth proportional to 19,153.27, 28,722.79 and 6,670.09 is: 10,002.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.27 : 28,722.79 = 6,670.09 : x
  2. Step 2: Convert to fraction form
    19,153.27/28,722.79 = 6,670.09/x
  3. Step 3: Cross multiply
    19,153.27x = 28,722.79 × 6,670.09
  4. Step 4: Simplify right side
    19,153.27x = 191,583,594.35
  5. Step 5: Solve for x
    x = 191,583,594.35/19,153.27
  6. Step 6: Final answer
    x = 10,002.66

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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.