Home / 17,790.73-26,555.82-15,688.91

Finding the Fourth Proportional to 17,790.73, 26,555.82 and 15,688.91

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Solution

The fourth proportional to 17,790.73, 26,555.82 and 15,688.91 is: 23,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.73 : 26,555.82 = 15,688.91 : x
  2. Step 2: Convert to fraction form
    17,790.73/26,555.82 = 15,688.91/x
  3. Step 3: Cross multiply
    17,790.73x = 26,555.82 × 15,688.91
  4. Step 4: Simplify right side
    17,790.73x = 416,631,869.96
  5. Step 5: Solve for x
    x = 416,631,869.96/17,790.73
  6. Step 6: Final answer
    x = 23,418.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.