Home / 22,080.24-30,461.76-14,120.64

Finding the Fourth Proportional to 22,080.24, 30,461.76 and 14,120.64

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Solution

The fourth proportional to 22,080.24, 30,461.76 and 14,120.64 is: 19,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,080.24 : 30,461.76 = 14,120.64 : x
  2. Step 2: Convert to fraction form
    22,080.24/30,461.76 = 14,120.64/x
  3. Step 3: Cross multiply
    22,080.24x = 30,461.76 × 14,120.64
  4. Step 4: Simplify right side
    22,080.24x = 430,139,546.73
  5. Step 5: Solve for x
    x = 430,139,546.73/22,080.24
  6. Step 6: Final answer
    x = 19,480.75

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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.