Home / 20,293.50-28,004.99-11,341.01

Finding the Fourth Proportional to 20,293.50, 28,004.99 and 11,341.01

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Solution

The fourth proportional to 20,293.50, 28,004.99 and 11,341.01 is: 15,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,293.50 : 28,004.99 = 11,341.01 : x
  2. Step 2: Convert to fraction form
    20,293.50/28,004.99 = 11,341.01/x
  3. Step 3: Cross multiply
    20,293.50x = 28,004.99 × 11,341.01
  4. Step 4: Simplify right side
    20,293.50x = 317,604,884.95
  5. Step 5: Solve for x
    x = 317,604,884.95/20,293.50
  6. Step 6: Final answer
    x = 15,650.57

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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.