Home / 19,833.84-27,357.12-13,554.72

Finding the Fourth Proportional to 19,833.84, 27,357.12 and 13,554.72

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Solution

The fourth proportional to 19,833.84, 27,357.12 and 13,554.72 is: 18,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.84 : 27,357.12 = 13,554.72 : x
  2. Step 2: Convert to fraction form
    19,833.84/27,357.12 = 13,554.72/x
  3. Step 3: Cross multiply
    19,833.84x = 27,357.12 × 13,554.72
  4. Step 4: Simplify right side
    19,833.84x = 370,818,101.61
  5. Step 5: Solve for x
    x = 370,818,101.61/19,833.84
  6. Step 6: Final answer
    x = 18,696.23

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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.