Home / 20,069.26-27,695.49-11,117.32

Finding the Fourth Proportional to 20,069.26, 27,695.49 and 11,117.32

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Solution

The fourth proportional to 20,069.26, 27,695.49 and 11,117.32 is: 15,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.26 : 27,695.49 = 11,117.32 : x
  2. Step 2: Convert to fraction form
    20,069.26/27,695.49 = 11,117.32/x
  3. Step 3: Cross multiply
    20,069.26x = 27,695.49 × 11,117.32
  4. Step 4: Simplify right side
    20,069.26x = 307,899,624.89
  5. Step 5: Solve for x
    x = 307,899,624.89/20,069.26
  6. Step 6: Final answer
    x = 15,341.85

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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.