Home / 20,069.02-27,695.64-11,116.27

Finding the Fourth Proportional to 20,069.02, 27,695.64 and 11,116.27

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Solution

The fourth proportional to 20,069.02, 27,695.64 and 11,116.27 is: 15,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,069.02 : 27,695.64 = 11,116.27 : x
  2. Step 2: Convert to fraction form
    20,069.02/27,695.64 = 11,116.27/x
  3. Step 3: Cross multiply
    20,069.02x = 27,695.64 × 11,116.27
  4. Step 4: Simplify right side
    20,069.02x = 307,872,212.06
  5. Step 5: Solve for x
    x = 307,872,212.06/20,069.02
  6. Step 6: Final answer
    x = 15,340.67

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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.