Home / 20,068.83-27,695.39-11,116.58

Finding the Fourth Proportional to 20,068.83, 27,695.39 and 11,116.58

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Solution

The fourth proportional to 20,068.83, 27,695.39 and 11,116.58 is: 15,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,068.83 : 27,695.39 = 11,116.58 : x
  2. Step 2: Convert to fraction form
    20,068.83/27,695.39 = 11,116.58/x
  3. Step 3: Cross multiply
    20,068.83x = 27,695.39 × 11,116.58
  4. Step 4: Simplify right side
    20,068.83x = 307,877,824.51
  5. Step 5: Solve for x
    x = 307,877,824.51/20,068.83
  6. Step 6: Final answer
    x = 15,341.09

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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.