Home / 14,980.75-20,624.85-11,788.42

Finding the Fourth Proportional to 14,980.75, 20,624.85 and 11,788.42

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Solution

The fourth proportional to 14,980.75, 20,624.85 and 11,788.42 is: 16,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.75 : 20,624.85 = 11,788.42 : x
  2. Step 2: Convert to fraction form
    14,980.75/20,624.85 = 11,788.42/x
  3. Step 3: Cross multiply
    14,980.75x = 20,624.85 × 11,788.42
  4. Step 4: Simplify right side
    14,980.75x = 243,134,394.24
  5. Step 5: Solve for x
    x = 243,134,394.24/14,980.75
  6. Step 6: Final answer
    x = 16,229.79

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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.