Home / 27,177.09-37,504.77-16,420.47

Finding the Fourth Proportional to 27,177.09, 37,504.77 and 16,420.47

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Solution

The fourth proportional to 27,177.09, 37,504.77 and 16,420.47 is: 22,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,177.09 : 37,504.77 = 16,420.47 : x
  2. Step 2: Convert to fraction form
    27,177.09/37,504.77 = 16,420.47/x
  3. Step 3: Cross multiply
    27,177.09x = 37,504.77 × 16,420.47
  4. Step 4: Simplify right side
    27,177.09x = 615,845,950.64
  5. Step 5: Solve for x
    x = 615,845,950.64/27,177.09
  6. Step 6: Final answer
    x = 22,660.48

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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.