Home / 27,842.07-38,420.46-16,512.69

Finding the Fourth Proportional to 27,842.07, 38,420.46 and 16,512.69

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Solution

The fourth proportional to 27,842.07, 38,420.46 and 16,512.69 is: 22,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,842.07 : 38,420.46 = 16,512.69 : x
  2. Step 2: Convert to fraction form
    27,842.07/38,420.46 = 16,512.69/x
  3. Step 3: Cross multiply
    27,842.07x = 38,420.46 × 16,512.69
  4. Step 4: Simplify right side
    27,842.07x = 634,425,145.64
  5. Step 5: Solve for x
    x = 634,425,145.64/27,842.07
  6. Step 6: Final answer
    x = 22,786.57

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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.