Home / 22,210.55-33,365.03-18,962.85

Finding the Fourth Proportional to 22,210.55, 33,365.03 and 18,962.85

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Solution

The fourth proportional to 22,210.55, 33,365.03 and 18,962.85 is: 28,486.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.55 : 33,365.03 = 18,962.85 : x
  2. Step 2: Convert to fraction form
    22,210.55/33,365.03 = 18,962.85/x
  3. Step 3: Cross multiply
    22,210.55x = 33,365.03 × 18,962.85
  4. Step 4: Simplify right side
    22,210.55x = 632,695,964.32
  5. Step 5: Solve for x
    x = 632,695,964.32/22,210.55
  6. Step 6: Final answer
    x = 28,486.29

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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.