Home / 20,041.44-27,656.50-10,966.76

Finding the Fourth Proportional to 20,041.44, 27,656.50 and 10,966.76

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Solution

The fourth proportional to 20,041.44, 27,656.50 and 10,966.76 is: 15,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.44 : 27,656.50 = 10,966.76 : x
  2. Step 2: Convert to fraction form
    20,041.44/27,656.50 = 10,966.76/x
  3. Step 3: Cross multiply
    20,041.44x = 27,656.50 × 10,966.76
  4. Step 4: Simplify right side
    20,041.44x = 303,302,197.94
  5. Step 5: Solve for x
    x = 303,302,197.94/20,041.44
  6. Step 6: Final answer
    x = 15,133.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.