Home / 13,694.47-20,543.63-4,333.50

Finding the Fourth Proportional to 13,694.47, 20,543.63 and 4,333.50

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Solution

The fourth proportional to 13,694.47, 20,543.63 and 4,333.50 is: 6,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694.47 : 20,543.63 = 4,333.50 : x
  2. Step 2: Convert to fraction form
    13,694.47/20,543.63 = 4,333.50/x
  3. Step 3: Cross multiply
    13,694.47x = 20,543.63 × 4,333.50
  4. Step 4: Simplify right side
    13,694.47x = 89,025,798.94
  5. Step 5: Solve for x
    x = 89,025,798.94/13,694.47
  6. Step 6: Final answer
    x = 6,500.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.