Home / 20,597.04-30,871.76-9,480.42

Finding the Fourth Proportional to 20,597.04, 30,871.76 and 9,480.42

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Solution

The fourth proportional to 20,597.04, 30,871.76 and 9,480.42 is: 14,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,597.04 : 30,871.76 = 9,480.42 : x
  2. Step 2: Convert to fraction form
    20,597.04/30,871.76 = 9,480.42/x
  3. Step 3: Cross multiply
    20,597.04x = 30,871.76 × 9,480.42
  4. Step 4: Simplify right side
    20,597.04x = 292,677,203.54
  5. Step 5: Solve for x
    x = 292,677,203.54/20,597.04
  6. Step 6: Final answer
    x = 14,209.67

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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.