Home / 14,707.72-20,296.74-7,993.36

Finding the Fourth Proportional to 14,707.72, 20,296.74 and 7,993.36

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Solution

The fourth proportional to 14,707.72, 20,296.74 and 7,993.36 is: 11,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.72 : 20,296.74 = 7,993.36 : x
  2. Step 2: Convert to fraction form
    14,707.72/20,296.74 = 7,993.36/x
  3. Step 3: Cross multiply
    14,707.72x = 20,296.74 × 7,993.36
  4. Step 4: Simplify right side
    14,707.72x = 162,239,149.65
  5. Step 5: Solve for x
    x = 162,239,149.65/14,707.72
  6. Step 6: Final answer
    x = 11,030.88

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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.