Home / 20,572.86-30,860.35-6,533.99

Finding the Fourth Proportional to 20,572.86, 30,860.35 and 6,533.99

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Solution

The fourth proportional to 20,572.86, 30,860.35 and 6,533.99 is: 9,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,572.86 : 30,860.35 = 6,533.99 : x
  2. Step 2: Convert to fraction form
    20,572.86/30,860.35 = 6,533.99/x
  3. Step 3: Cross multiply
    20,572.86x = 30,860.35 × 6,533.99
  4. Step 4: Simplify right side
    20,572.86x = 201,641,100.83
  5. Step 5: Solve for x
    x = 201,641,100.83/20,572.86
  6. Step 6: Final answer
    x = 9,801.32

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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.