Home / 21,786.03-30,044.12-14,632.11

Finding the Fourth Proportional to 21,786.03, 30,044.12 and 14,632.11

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Solution

The fourth proportional to 21,786.03, 30,044.12 and 14,632.11 is: 20,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,786.03 : 30,044.12 = 14,632.11 : x
  2. Step 2: Convert to fraction form
    21,786.03/30,044.12 = 14,632.11/x
  3. Step 3: Cross multiply
    21,786.03x = 30,044.12 × 14,632.11
  4. Step 4: Simplify right side
    21,786.03x = 439,608,795.53
  5. Step 5: Solve for x
    x = 439,608,795.53/21,786.03
  6. Step 6: Final answer
    x = 20,178.47

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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.