Home / 20,068.94-27,695.90-11,116.25

Finding the Fourth Proportional to 20,068.94, 27,695.90 and 11,116.25

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Solution

The fourth proportional to 20,068.94, 27,695.90 and 11,116.25 is: 15,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.94 : 27,695.90 = 11,116.25 : x
  2. Step 2: Convert to fraction form
    20,068.94/27,695.90 = 11,116.25/x
  3. Step 3: Cross multiply
    20,068.94x = 27,695.90 × 11,116.25
  4. Step 4: Simplify right side
    20,068.94x = 307,874,354.31
  5. Step 5: Solve for x
    x = 307,874,354.31/20,068.94
  6. Step 6: Final answer
    x = 15,340.84

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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.