Home / 20,068.93-27,695.35-11,116.57

Finding the Fourth Proportional to 20,068.93, 27,695.35 and 11,116.57

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Solution

The fourth proportional to 20,068.93, 27,695.35 and 11,116.57 is: 15,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.93 : 27,695.35 = 11,116.57 : x
  2. Step 2: Convert to fraction form
    20,068.93/27,695.35 = 11,116.57/x
  3. Step 3: Cross multiply
    20,068.93x = 27,695.35 × 11,116.57
  4. Step 4: Simplify right side
    20,068.93x = 307,877,241.37
  5. Step 5: Solve for x
    x = 307,877,241.37/20,068.93
  6. Step 6: Final answer
    x = 15,340.99

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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.