Home / 27,813.95-38,376.60-16,481.49

Finding the Fourth Proportional to 27,813.95, 38,376.60 and 16,481.49

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Solution

The fourth proportional to 27,813.95, 38,376.60 and 16,481.49 is: 22,740.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,813.95 : 38,376.60 = 16,481.49 : x
  2. Step 2: Convert to fraction form
    27,813.95/38,376.60 = 16,481.49/x
  3. Step 3: Cross multiply
    27,813.95x = 38,376.60 × 16,481.49
  4. Step 4: Simplify right side
    27,813.95x = 632,503,549.13
  5. Step 5: Solve for x
    x = 632,503,549.13/27,813.95
  6. Step 6: Final answer
    x = 22,740.52

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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.