Home / 13,565.58-20,355.93-7,325.46

Finding the Fourth Proportional to 13,565.58, 20,355.93 and 7,325.46

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Solution

The fourth proportional to 13,565.58, 20,355.93 and 7,325.46 is: 10,992.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.58 : 20,355.93 = 7,325.46 : x
  2. Step 2: Convert to fraction form
    13,565.58/20,355.93 = 7,325.46/x
  3. Step 3: Cross multiply
    13,565.58x = 20,355.93 × 7,325.46
  4. Step 4: Simplify right side
    13,565.58x = 149,116,550.98
  5. Step 5: Solve for x
    x = 149,116,550.98/13,565.58
  6. Step 6: Final answer
    x = 10,992.27

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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.