Home / 17,887.80-26,829.36-4,740.96

Finding the Fourth Proportional to 17,887.80, 26,829.36 and 4,740.96

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Solution

The fourth proportional to 17,887.80, 26,829.36 and 4,740.96 is: 7,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,887.80 : 26,829.36 = 4,740.96 : x
  2. Step 2: Convert to fraction form
    17,887.80/26,829.36 = 4,740.96/x
  3. Step 3: Cross multiply
    17,887.80x = 26,829.36 × 4,740.96
  4. Step 4: Simplify right side
    17,887.80x = 127,196,922.59
  5. Step 5: Solve for x
    x = 127,196,922.59/17,887.80
  6. Step 6: Final answer
    x = 7,110.82

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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.