Home / 13,961.28-19,266.54-7,673.76

Finding the Fourth Proportional to 13,961.28, 19,266.54 and 7,673.76

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Solution

The fourth proportional to 13,961.28, 19,266.54 and 7,673.76 is: 10,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.28 : 19,266.54 = 7,673.76 : x
  2. Step 2: Convert to fraction form
    13,961.28/19,266.54 = 7,673.76/x
  3. Step 3: Cross multiply
    13,961.28x = 19,266.54 × 7,673.76
  4. Step 4: Simplify right side
    13,961.28x = 147,846,803.99
  5. Step 5: Solve for x
    x = 147,846,803.99/13,961.28
  6. Step 6: Final answer
    x = 10,589.77

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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.