Home / 20,174.50-30,266.61-6,323.50

Finding the Fourth Proportional to 20,174.50, 30,266.61 and 6,323.50

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Solution

The fourth proportional to 20,174.50, 30,266.61 and 6,323.50 is: 9,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174.50 : 30,266.61 = 6,323.50 : x
  2. Step 2: Convert to fraction form
    20,174.50/30,266.61 = 6,323.50/x
  3. Step 3: Cross multiply
    20,174.50x = 30,266.61 × 6,323.50
  4. Step 4: Simplify right side
    20,174.50x = 191,390,908.34
  5. Step 5: Solve for x
    x = 191,390,908.34/20,174.50
  6. Step 6: Final answer
    x = 9,486.77

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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.