Home / 14,174.28-19,559.94-7,886.52

Finding the Fourth Proportional to 14,174.28, 19,559.94 and 7,886.52

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Solution

The fourth proportional to 14,174.28, 19,559.94 and 7,886.52 is: 10,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.28 : 19,559.94 = 7,886.52 : x
  2. Step 2: Convert to fraction form
    14,174.28/19,559.94 = 7,886.52/x
  3. Step 3: Cross multiply
    14,174.28x = 19,559.94 × 7,886.52
  4. Step 4: Simplify right side
    14,174.28x = 154,259,858.01
  5. Step 5: Solve for x
    x = 154,259,858.01/14,174.28
  6. Step 6: Final answer
    x = 10,883.08

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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.