Home / 13,964.09-20,952.77-5,649.84

Finding the Fourth Proportional to 13,964.09, 20,952.77 and 5,649.84

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Solution

The fourth proportional to 13,964.09, 20,952.77 and 5,649.84 is: 8,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.09 : 20,952.77 = 5,649.84 : x
  2. Step 2: Convert to fraction form
    13,964.09/20,952.77 = 5,649.84/x
  3. Step 3: Cross multiply
    13,964.09x = 20,952.77 × 5,649.84
  4. Step 4: Simplify right side
    13,964.09x = 118,379,769.81
  5. Step 5: Solve for x
    x = 118,379,769.81/13,964.09
  6. Step 6: Final answer
    x = 8,477.45

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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.