Home / 14,670.90-20,246.09-8,296.20

Finding the Fourth Proportional to 14,670.90, 20,246.09 and 8,296.20

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Solution

The fourth proportional to 14,670.90, 20,246.09 and 8,296.20 is: 11,448.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.90 : 20,246.09 = 8,296.20 : x
  2. Step 2: Convert to fraction form
    14,670.90/20,246.09 = 8,296.20/x
  3. Step 3: Cross multiply
    14,670.90x = 20,246.09 × 8,296.20
  4. Step 4: Simplify right side
    14,670.90x = 167,965,570.38
  5. Step 5: Solve for x
    x = 167,965,570.38/14,670.90
  6. Step 6: Final answer
    x = 11,448.89

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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.