Home / 14,977.93-20,668.79-9,008.45

Finding the Fourth Proportional to 14,977.93, 20,668.79 and 9,008.45

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Solution

The fourth proportional to 14,977.93, 20,668.79 and 9,008.45 is: 12,431.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.93 : 20,668.79 = 9,008.45 : x
  2. Step 2: Convert to fraction form
    14,977.93/20,668.79 = 9,008.45/x
  3. Step 3: Cross multiply
    14,977.93x = 20,668.79 × 9,008.45
  4. Step 4: Simplify right side
    14,977.93x = 186,193,716.23
  5. Step 5: Solve for x
    x = 186,193,716.23/14,977.93
  6. Step 6: Final answer
    x = 12,431.21

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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.