Home / 18,668.04-28,006.02-6,187.38

Finding the Fourth Proportional to 18,668.04, 28,006.02 and 6,187.38

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Solution

The fourth proportional to 18,668.04, 28,006.02 and 6,187.38 is: 9,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.04 : 28,006.02 = 6,187.38 : x
  2. Step 2: Convert to fraction form
    18,668.04/28,006.02 = 6,187.38/x
  3. Step 3: Cross multiply
    18,668.04x = 28,006.02 × 6,187.38
  4. Step 4: Simplify right side
    18,668.04x = 173,283,888.03
  5. Step 5: Solve for x
    x = 173,283,888.03/18,668.04
  6. Step 6: Final answer
    x = 9,282.38

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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.