Home / 19,146.49-28,722.83-6,670.12

Finding the Fourth Proportional to 19,146.49, 28,722.83 and 6,670.12

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Solution

The fourth proportional to 19,146.49, 28,722.83 and 6,670.12 is: 10,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,146.49 : 28,722.83 = 6,670.12 : x
  2. Step 2: Convert to fraction form
    19,146.49/28,722.83 = 6,670.12/x
  3. Step 3: Cross multiply
    19,146.49x = 28,722.83 × 6,670.12
  4. Step 4: Simplify right side
    19,146.49x = 191,584,722.84
  5. Step 5: Solve for x
    x = 191,584,722.84/19,146.49
  6. Step 6: Final answer
    x = 10,006.26

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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.