Home / 17,890.07-26,829.90-7,216.43

Finding the Fourth Proportional to 17,890.07, 26,829.90 and 7,216.43

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Solution

The fourth proportional to 17,890.07, 26,829.90 and 7,216.43 is: 10,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.07 : 26,829.90 = 7,216.43 : x
  2. Step 2: Convert to fraction form
    17,890.07/26,829.90 = 7,216.43/x
  3. Step 3: Cross multiply
    17,890.07x = 26,829.90 × 7,216.43
  4. Step 4: Simplify right side
    17,890.07x = 193,615,961.11
  5. Step 5: Solve for x
    x = 193,615,961.11/17,890.07
  6. Step 6: Final answer
    x = 10,822.54

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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.