Home / 27,187.11-37,513.01-16,429.80

Finding the Fourth Proportional to 27,187.11, 37,513.01 and 16,429.80

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Solution

The fourth proportional to 27,187.11, 37,513.01 and 16,429.80 is: 22,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.11 : 37,513.01 = 16,429.80 : x
  2. Step 2: Convert to fraction form
    27,187.11/37,513.01 = 16,429.80/x
  3. Step 3: Cross multiply
    27,187.11x = 37,513.01 × 16,429.80
  4. Step 4: Simplify right side
    27,187.11x = 616,331,169.55
  5. Step 5: Solve for x
    x = 616,331,169.55/27,187.11
  6. Step 6: Final answer
    x = 22,669.98

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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.