Home / 14,575.42-21,860.80-5,213.69

Finding the Fourth Proportional to 14,575.42, 21,860.80 and 5,213.69

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Solution

The fourth proportional to 14,575.42, 21,860.80 and 5,213.69 is: 7,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,575.42 : 21,860.80 = 5,213.69 : x
  2. Step 2: Convert to fraction form
    14,575.42/21,860.80 = 5,213.69/x
  3. Step 3: Cross multiply
    14,575.42x = 21,860.80 × 5,213.69
  4. Step 4: Simplify right side
    14,575.42x = 113,975,434.35
  5. Step 5: Solve for x
    x = 113,975,434.35/14,575.42
  6. Step 6: Final answer
    x = 7,819.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.