Home / 17,128.91-23,638.42-9,575.56

Finding the Fourth Proportional to 17,128.91, 23,638.42 and 9,575.56

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Solution

The fourth proportional to 17,128.91, 23,638.42 and 9,575.56 is: 13,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.91 : 23,638.42 = 9,575.56 : x
  2. Step 2: Convert to fraction form
    17,128.91/23,638.42 = 9,575.56/x
  3. Step 3: Cross multiply
    17,128.91x = 23,638.42 × 9,575.56
  4. Step 4: Simplify right side
    17,128.91x = 226,351,210.71
  5. Step 5: Solve for x
    x = 226,351,210.71/17,128.91
  6. Step 6: Final answer
    x = 13,214.57

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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.