Home / 18,533.40-25,575.10-10,576.36

Finding the Fourth Proportional to 18,533.40, 25,575.10 and 10,576.36

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Solution

The fourth proportional to 18,533.40, 25,575.10 and 10,576.36 is: 14,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.40 : 25,575.10 = 10,576.36 : x
  2. Step 2: Convert to fraction form
    18,533.40/25,575.10 = 10,576.36/x
  3. Step 3: Cross multiply
    18,533.40x = 25,575.10 × 10,576.36
  4. Step 4: Simplify right side
    18,533.40x = 270,491,464.64
  5. Step 5: Solve for x
    x = 270,491,464.64/18,533.40
  6. Step 6: Final answer
    x = 14,594.81

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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.