Home / 27,106.80-40,661.34-9,576.72

Finding the Fourth Proportional to 27,106.80, 40,661.34 and 9,576.72

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Solution

The fourth proportional to 27,106.80, 40,661.34 and 9,576.72 is: 14,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.80 : 40,661.34 = 9,576.72 : x
  2. Step 2: Convert to fraction form
    27,106.80/40,661.34 = 9,576.72/x
  3. Step 3: Cross multiply
    27,106.80x = 40,661.34 × 9,576.72
  4. Step 4: Simplify right side
    27,106.80x = 389,402,268.00
  5. Step 5: Solve for x
    x = 389,402,268.00/27,106.80
  6. Step 6: Final answer
    x = 14,365.48

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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.