Home / 27,187.34-40,780.48-11,173.50

Finding the Fourth Proportional to 27,187.34, 40,780.48 and 11,173.50

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Solution

The fourth proportional to 27,187.34, 40,780.48 and 11,173.50 is: 16,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.34 : 40,780.48 = 11,173.50 : x
  2. Step 2: Convert to fraction form
    27,187.34/40,780.48 = 11,173.50/x
  3. Step 3: Cross multiply
    27,187.34x = 40,780.48 × 11,173.50
  4. Step 4: Simplify right side
    27,187.34x = 455,660,693.28
  5. Step 5: Solve for x
    x = 455,660,693.28/27,187.34
  6. Step 6: Final answer
    x = 16,760.03

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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.