Home / 20,703.47-31,052.03-7,555.88

Finding the Fourth Proportional to 20,703.47, 31,052.03 and 7,555.88

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Solution

The fourth proportional to 20,703.47, 31,052.03 and 7,555.88 is: 11,332.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703.47 : 31,052.03 = 7,555.88 : x
  2. Step 2: Convert to fraction form
    20,703.47/31,052.03 = 7,555.88/x
  3. Step 3: Cross multiply
    20,703.47x = 31,052.03 × 7,555.88
  4. Step 4: Simplify right side
    20,703.47x = 234,625,452.29
  5. Step 5: Solve for x
    x = 234,625,452.29/20,703.47
  6. Step 6: Final answer
    x = 11,332.67

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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.