Home / 20,943.01-31,365.27-16,530.94

Finding the Fourth Proportional to 20,943.01, 31,365.27 and 16,530.94

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Solution

The fourth proportional to 20,943.01, 31,365.27 and 16,530.94 is: 24,757.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,943.01 : 31,365.27 = 16,530.94 : x
  2. Step 2: Convert to fraction form
    20,943.01/31,365.27 = 16,530.94/x
  3. Step 3: Cross multiply
    20,943.01x = 31,365.27 × 16,530.94
  4. Step 4: Simplify right side
    20,943.01x = 518,497,396.45
  5. Step 5: Solve for x
    x = 518,497,396.45/20,943.01
  6. Step 6: Final answer
    x = 24,757.54

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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.