Home / 22,186.42-33,087.19-18,920.50

Finding the Fourth Proportional to 22,186.42, 33,087.19 and 18,920.50

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Solution

The fourth proportional to 22,186.42, 33,087.19 and 18,920.50 is: 28,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,186.42 : 33,087.19 = 18,920.50 : x
  2. Step 2: Convert to fraction form
    22,186.42/33,087.19 = 18,920.50/x
  3. Step 3: Cross multiply
    22,186.42x = 33,087.19 × 18,920.50
  4. Step 4: Simplify right side
    22,186.42x = 626,026,178.40
  5. Step 5: Solve for x
    x = 626,026,178.40/22,186.42
  6. Step 6: Final answer
    x = 28,216.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.