Home / 14,316.38-19,756.61-8,028.75

Finding the Fourth Proportional to 14,316.38, 19,756.61 and 8,028.75

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Solution

The fourth proportional to 14,316.38, 19,756.61 and 8,028.75 is: 11,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.38 : 19,756.61 = 8,028.75 : x
  2. Step 2: Convert to fraction form
    14,316.38/19,756.61 = 8,028.75/x
  3. Step 3: Cross multiply
    14,316.38x = 19,756.61 × 8,028.75
  4. Step 4: Simplify right side
    14,316.38x = 158,620,842.39
  5. Step 5: Solve for x
    x = 158,620,842.39/14,316.38
  6. Step 6: Final answer
    x = 11,079.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.