Home / 18,533.90-25,575.79-10,576.86

Finding the Fourth Proportional to 18,533.90, 25,575.79 and 10,576.86

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Solution

The fourth proportional to 18,533.90, 25,575.79 and 10,576.86 is: 14,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.90 : 25,575.79 = 10,576.86 : x
  2. Step 2: Convert to fraction form
    18,533.90/25,575.79 = 10,576.86/x
  3. Step 3: Cross multiply
    18,533.90x = 25,575.79 × 10,576.86
  4. Step 4: Simplify right side
    18,533.90x = 270,511,550.22
  5. Step 5: Solve for x
    x = 270,511,550.22/18,533.90
  6. Step 6: Final answer
    x = 14,595.50

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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.