Home / 18,611.34-27,920.79-16,752.48

Finding the Fourth Proportional to 18,611.34, 27,920.79 and 16,752.48

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Solution

The fourth proportional to 18,611.34, 27,920.79 and 16,752.48 is: 25,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,611.34 : 27,920.79 = 16,752.48 : x
  2. Step 2: Convert to fraction form
    18,611.34/27,920.79 = 16,752.48/x
  3. Step 3: Cross multiply
    18,611.34x = 27,920.79 × 16,752.48
  4. Step 4: Simplify right side
    18,611.34x = 467,742,476.06
  5. Step 5: Solve for x
    x = 467,742,476.06/18,611.34
  6. Step 6: Final answer
    x = 25,132.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.