Home / 14,668.88-20,246.59-8,620.46

Finding the Fourth Proportional to 14,668.88, 20,246.59 and 8,620.46

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Solution

The fourth proportional to 14,668.88, 20,246.59 and 8,620.46 is: 11,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.88 : 20,246.59 = 8,620.46 : x
  2. Step 2: Convert to fraction form
    14,668.88/20,246.59 = 8,620.46/x
  3. Step 3: Cross multiply
    14,668.88x = 20,246.59 × 8,620.46
  4. Step 4: Simplify right side
    14,668.88x = 174,534,774.90
  5. Step 5: Solve for x
    x = 174,534,774.90/14,668.88
  6. Step 6: Final answer
    x = 11,898.30

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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.