Home / 13,730.63-18,941.92-8,063.57

Finding the Fourth Proportional to 13,730.63, 18,941.92 and 8,063.57

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Solution

The fourth proportional to 13,730.63, 18,941.92 and 8,063.57 is: 11,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.63 : 18,941.92 = 8,063.57 : x
  2. Step 2: Convert to fraction form
    13,730.63/18,941.92 = 8,063.57/x
  3. Step 3: Cross multiply
    13,730.63x = 18,941.92 × 8,063.57
  4. Step 4: Simplify right side
    13,730.63x = 152,739,525.05
  5. Step 5: Solve for x
    x = 152,739,525.05/13,730.63
  6. Step 6: Final answer
    x = 11,124.00

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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.