Home / 13,240.74-19,933.26-11,432.82

Finding the Fourth Proportional to 13,240.74, 19,933.26 and 11,432.82

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Solution

The fourth proportional to 13,240.74, 19,933.26 and 11,432.82 is: 17,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240.74 : 19,933.26 = 11,432.82 : x
  2. Step 2: Convert to fraction form
    13,240.74/19,933.26 = 11,432.82/x
  3. Step 3: Cross multiply
    13,240.74x = 19,933.26 × 11,432.82
  4. Step 4: Simplify right side
    13,240.74x = 227,893,405.47
  5. Step 5: Solve for x
    x = 227,893,405.47/13,240.74
  6. Step 6: Final answer
    x = 17,211.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.