Home / 19,171.06-28,756.74-6,691.03

Finding the Fourth Proportional to 19,171.06, 28,756.74 and 6,691.03

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Solution

The fourth proportional to 19,171.06, 28,756.74 and 6,691.03 is: 10,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.06 : 28,756.74 = 6,691.03 : x
  2. Step 2: Convert to fraction form
    19,171.06/28,756.74 = 6,691.03/x
  3. Step 3: Cross multiply
    19,171.06x = 28,756.74 × 6,691.03
  4. Step 4: Simplify right side
    19,171.06x = 192,412,210.04
  5. Step 5: Solve for x
    x = 192,412,210.04/19,171.06
  6. Step 6: Final answer
    x = 10,036.60

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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.