Home / 20,069.29-30,106.37-9,673.75

Finding the Fourth Proportional to 20,069.29, 30,106.37 and 9,673.75

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Solution

The fourth proportional to 20,069.29, 30,106.37 and 9,673.75 is: 14,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.29 : 30,106.37 = 9,673.75 : x
  2. Step 2: Convert to fraction form
    20,069.29/30,106.37 = 9,673.75/x
  3. Step 3: Cross multiply
    20,069.29x = 30,106.37 × 9,673.75
  4. Step 4: Simplify right side
    20,069.29x = 291,241,496.79
  5. Step 5: Solve for x
    x = 291,241,496.79/20,069.29
  6. Step 6: Final answer
    x = 14,511.80

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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.