Home / 17,485.40-24,138.78-11,849.93

Finding the Fourth Proportional to 17,485.40, 24,138.78 and 11,849.93

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Solution

The fourth proportional to 17,485.40, 24,138.78 and 11,849.93 is: 16,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,485.40 : 24,138.78 = 11,849.93 : x
  2. Step 2: Convert to fraction form
    17,485.40/24,138.78 = 11,849.93/x
  3. Step 3: Cross multiply
    17,485.40x = 24,138.78 × 11,849.93
  4. Step 4: Simplify right side
    17,485.40x = 286,042,732.59
  5. Step 5: Solve for x
    x = 286,042,732.59/17,485.40
  6. Step 6: Final answer
    x = 16,358.95

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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.