Home / 14,977.31-20,667.99-8,599.42

Finding the Fourth Proportional to 14,977.31, 20,667.99 and 8,599.42

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Solution

The fourth proportional to 14,977.31, 20,667.99 and 8,599.42 is: 11,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.31 : 20,667.99 = 8,599.42 : x
  2. Step 2: Convert to fraction form
    14,977.31/20,667.99 = 8,599.42/x
  3. Step 3: Cross multiply
    14,977.31x = 20,667.99 × 8,599.42
  4. Step 4: Simplify right side
    14,977.31x = 177,732,668.39
  5. Step 5: Solve for x
    x = 177,732,668.39/14,977.31
  6. Step 6: Final answer
    x = 11,866.80

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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.