Home / 20,533.91-30,800.96-5,744.12

Finding the Fourth Proportional to 20,533.91, 30,800.96 and 5,744.12

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Solution

The fourth proportional to 20,533.91, 30,800.96 and 5,744.12 is: 8,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,533.91 : 30,800.96 = 5,744.12 : x
  2. Step 2: Convert to fraction form
    20,533.91/30,800.96 = 5,744.12/x
  3. Step 3: Cross multiply
    20,533.91x = 30,800.96 × 5,744.12
  4. Step 4: Simplify right side
    20,533.91x = 176,924,347.71
  5. Step 5: Solve for x
    x = 176,924,347.71/20,533.91
  6. Step 6: Final answer
    x = 8,616.20

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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.