Home / 17,705.16-26,555.82-11,111.76

Finding the Fourth Proportional to 17,705.16, 26,555.82 and 11,111.76

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Solution

The fourth proportional to 17,705.16, 26,555.82 and 11,111.76 is: 16,666.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.16 : 26,555.82 = 11,111.76 : x
  2. Step 2: Convert to fraction form
    17,705.16/26,555.82 = 11,111.76/x
  3. Step 3: Cross multiply
    17,705.16x = 26,555.82 × 11,111.76
  4. Step 4: Simplify right side
    17,705.16x = 295,081,898.44
  5. Step 5: Solve for x
    x = 295,081,898.44/17,705.16
  6. Step 6: Final answer
    x = 16,666.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.