Home / 20,576.13-28,395.18-11,624.46

Finding the Fourth Proportional to 20,576.13, 28,395.18 and 11,624.46

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Solution

The fourth proportional to 20,576.13, 28,395.18 and 11,624.46 is: 16,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.13 : 28,395.18 = 11,624.46 : x
  2. Step 2: Convert to fraction form
    20,576.13/28,395.18 = 11,624.46/x
  3. Step 3: Cross multiply
    20,576.13x = 28,395.18 × 11,624.46
  4. Step 4: Simplify right side
    20,576.13x = 330,078,634.10
  5. Step 5: Solve for x
    x = 330,078,634.10/20,576.13
  6. Step 6: Final answer
    x = 16,041.82

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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.