Home / 19,806.42-27,329.40-11,304.66

Finding the Fourth Proportional to 19,806.42, 27,329.40 and 11,304.66

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Solution

The fourth proportional to 19,806.42, 27,329.40 and 11,304.66 is: 15,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.42 : 27,329.40 = 11,304.66 : x
  2. Step 2: Convert to fraction form
    19,806.42/27,329.40 = 11,304.66/x
  3. Step 3: Cross multiply
    19,806.42x = 27,329.40 × 11,304.66
  4. Step 4: Simplify right side
    19,806.42x = 308,949,575.00
  5. Step 5: Solve for x
    x = 308,949,575.00/19,806.42
  6. Step 6: Final answer
    x = 15,598.46

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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.