Home / 13,572.60-20,355.72-7,652.04

Finding the Fourth Proportional to 13,572.60, 20,355.72 and 7,652.04

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Solution

The fourth proportional to 13,572.60, 20,355.72 and 7,652.04 is: 11,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.60 : 20,355.72 = 7,652.04 : x
  2. Step 2: Convert to fraction form
    13,572.60/20,355.72 = 7,652.04/x
  3. Step 3: Cross multiply
    13,572.60x = 20,355.72 × 7,652.04
  4. Step 4: Simplify right side
    13,572.60x = 155,762,783.67
  5. Step 5: Solve for x
    x = 155,762,783.67/13,572.60
  6. Step 6: Final answer
    x = 11,476.27

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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.