Home / 21,527.42-32,296.32-7,485.39

Finding the Fourth Proportional to 21,527.42, 32,296.32 and 7,485.39

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Solution

The fourth proportional to 21,527.42, 32,296.32 and 7,485.39 is: 11,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.42 : 32,296.32 = 7,485.39 : x
  2. Step 2: Convert to fraction form
    21,527.42/32,296.32 = 7,485.39/x
  3. Step 3: Cross multiply
    21,527.42x = 32,296.32 × 7,485.39
  4. Step 4: Simplify right side
    21,527.42x = 241,750,550.76
  5. Step 5: Solve for x
    x = 241,750,550.76/21,527.42
  6. Step 6: Final answer
    x = 11,229.89

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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.