Home / 14,668.18-20,241.53-7,953.69

Finding the Fourth Proportional to 14,668.18, 20,241.53 and 7,953.69

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Solution

The fourth proportional to 14,668.18, 20,241.53 and 7,953.69 is: 10,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.18 : 20,241.53 = 7,953.69 : x
  2. Step 2: Convert to fraction form
    14,668.18/20,241.53 = 7,953.69/x
  3. Step 3: Cross multiply
    14,668.18x = 20,241.53 × 7,953.69
  4. Step 4: Simplify right side
    14,668.18x = 160,994,713.77
  5. Step 5: Solve for x
    x = 160,994,713.77/14,668.18
  6. Step 6: Final answer
    x = 10,975.78

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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.