Home / 19,968.12-27,557.26-11,472.96

Finding the Fourth Proportional to 19,968.12, 27,557.26 and 11,472.96

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Solution

The fourth proportional to 19,968.12, 27,557.26 and 11,472.96 is: 15,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.12 : 27,557.26 = 11,472.96 : x
  2. Step 2: Convert to fraction form
    19,968.12/27,557.26 = 11,472.96/x
  3. Step 3: Cross multiply
    19,968.12x = 27,557.26 × 11,472.96
  4. Step 4: Simplify right side
    19,968.12x = 316,163,341.69
  5. Step 5: Solve for x
    x = 316,163,341.69/19,968.12
  6. Step 6: Final answer
    x = 15,833.41

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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.