Home / 13,567.01-20,349.86-3,571.52

Finding the Fourth Proportional to 13,567.01, 20,349.86 and 3,571.52

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Solution

The fourth proportional to 13,567.01, 20,349.86 and 3,571.52 is: 5,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.01 : 20,349.86 = 3,571.52 : x
  2. Step 2: Convert to fraction form
    13,567.01/20,349.86 = 3,571.52/x
  3. Step 3: Cross multiply
    13,567.01x = 20,349.86 × 3,571.52
  4. Step 4: Simplify right side
    13,567.01x = 72,679,812.38
  5. Step 5: Solve for x
    x = 72,679,812.38/13,567.01
  6. Step 6: Final answer
    x = 5,357.10

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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.