Home / 14,015.12-19,338.76-8,047.04

Finding the Fourth Proportional to 14,015.12, 19,338.76 and 8,047.04

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Solution

The fourth proportional to 14,015.12, 19,338.76 and 8,047.04 is: 11,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.12 : 19,338.76 = 8,047.04 : x
  2. Step 2: Convert to fraction form
    14,015.12/19,338.76 = 8,047.04/x
  3. Step 3: Cross multiply
    14,015.12x = 19,338.76 × 8,047.04
  4. Step 4: Simplify right side
    14,015.12x = 155,619,775.27
  5. Step 5: Solve for x
    x = 155,619,775.27/14,015.12
  6. Step 6: Final answer
    x = 11,103.71

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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.