Home / 17,555.14-26,342.84-8,790.13

Finding the Fourth Proportional to 17,555.14, 26,342.84 and 8,790.13

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Solution

The fourth proportional to 17,555.14, 26,342.84 and 8,790.13 is: 13,190.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,555.14 : 26,342.84 = 8,790.13 : x
  2. Step 2: Convert to fraction form
    17,555.14/26,342.84 = 8,790.13/x
  3. Step 3: Cross multiply
    17,555.14x = 26,342.84 × 8,790.13
  4. Step 4: Simplify right side
    17,555.14x = 231,556,988.17
  5. Step 5: Solve for x
    x = 231,556,988.17/17,555.14
  6. Step 6: Final answer
    x = 13,190.27

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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.