Home / 20,303.61-30,450.54-6,975.06

Finding the Fourth Proportional to 20,303.61, 30,450.54 and 6,975.06

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Solution

The fourth proportional to 20,303.61, 30,450.54 and 6,975.06 is: 10,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.61 : 30,450.54 = 6,975.06 : x
  2. Step 2: Convert to fraction form
    20,303.61/30,450.54 = 6,975.06/x
  3. Step 3: Cross multiply
    20,303.61x = 30,450.54 × 6,975.06
  4. Step 4: Simplify right side
    20,303.61x = 212,394,343.53
  5. Step 5: Solve for x
    x = 212,394,343.53/20,303.61
  6. Step 6: Final answer
    x = 10,460.92

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1.5x scale

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.