Home / 22,203.18-33,347.16-12,861.96

Finding the Fourth Proportional to 22,203.18, 33,347.16 and 12,861.96

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Solution

The fourth proportional to 22,203.18, 33,347.16 and 12,861.96 is: 19,317.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.18 : 33,347.16 = 12,861.96 : x
  2. Step 2: Convert to fraction form
    22,203.18/33,347.16 = 12,861.96/x
  3. Step 3: Cross multiply
    22,203.18x = 33,347.16 × 12,861.96
  4. Step 4: Simplify right side
    22,203.18x = 428,909,838.03
  5. Step 5: Solve for x
    x = 428,909,838.03/22,203.18
  6. Step 6: Final answer
    x = 19,317.50

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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.