Home / 13,733.89-18,952.92-8,068.88

Finding the Fourth Proportional to 13,733.89, 18,952.92 and 8,068.88

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Solution

The fourth proportional to 13,733.89, 18,952.92 and 8,068.88 is: 11,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.89 : 18,952.92 = 8,068.88 : x
  2. Step 2: Convert to fraction form
    13,733.89/18,952.92 = 8,068.88/x
  3. Step 3: Cross multiply
    13,733.89x = 18,952.92 × 8,068.88
  4. Step 4: Simplify right side
    13,733.89x = 152,928,702.02
  5. Step 5: Solve for x
    x = 152,928,702.02/13,733.89
  6. Step 6: Final answer
    x = 11,135.13

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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.