Home / 20,017.57-27,624.77-11,065.22

Finding the Fourth Proportional to 20,017.57, 27,624.77 and 11,065.22

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Solution

The fourth proportional to 20,017.57, 27,624.77 and 11,065.22 is: 15,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.57 : 27,624.77 = 11,065.22 : x
  2. Step 2: Convert to fraction form
    20,017.57/27,624.77 = 11,065.22/x
  3. Step 3: Cross multiply
    20,017.57x = 27,624.77 × 11,065.22
  4. Step 4: Simplify right side
    20,017.57x = 305,674,157.50
  5. Step 5: Solve for x
    x = 305,674,157.50/20,017.57
  6. Step 6: Final answer
    x = 15,270.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.