Home / 19,841.27-29,760.65-9,313.60

Finding the Fourth Proportional to 19,841.27, 29,760.65 and 9,313.60

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Solution

The fourth proportional to 19,841.27, 29,760.65 and 9,313.60 is: 13,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.27 : 29,760.65 = 9,313.60 : x
  2. Step 2: Convert to fraction form
    19,841.27/29,760.65 = 9,313.60/x
  3. Step 3: Cross multiply
    19,841.27x = 29,760.65 × 9,313.60
  4. Step 4: Simplify right side
    19,841.27x = 277,178,789.84
  5. Step 5: Solve for x
    x = 277,178,789.84/19,841.27
  6. Step 6: Final answer
    x = 13,969.81

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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.