Home / 14,973.93-20,665.26-8,260.20

Finding the Fourth Proportional to 14,973.93, 20,665.26 and 8,260.20

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Solution

The fourth proportional to 14,973.93, 20,665.26 and 8,260.20 is: 11,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,973.93 : 20,665.26 = 8,260.20 : x
  2. Step 2: Convert to fraction form
    14,973.93/20,665.26 = 8,260.20/x
  3. Step 3: Cross multiply
    14,973.93x = 20,665.26 × 8,260.20
  4. Step 4: Simplify right side
    14,973.93x = 170,699,180.65
  5. Step 5: Solve for x
    x = 170,699,180.65/14,973.93
  6. Step 6: Final answer
    x = 11,399.76

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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.