Home / 14,043.56-21,047.16-5,713.88

Finding the Fourth Proportional to 14,043.56, 21,047.16 and 5,713.88

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Solution

The fourth proportional to 14,043.56, 21,047.16 and 5,713.88 is: 8,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.56 : 21,047.16 = 5,713.88 : x
  2. Step 2: Convert to fraction form
    14,043.56/21,047.16 = 5,713.88/x
  3. Step 3: Cross multiply
    14,043.56x = 21,047.16 × 5,713.88
  4. Step 4: Simplify right side
    14,043.56x = 120,260,946.58
  5. Step 5: Solve for x
    x = 120,260,946.58/14,043.56
  6. Step 6: Final answer
    x = 8,563.42

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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.