Home / 22,136.96-33,210.40-8,286.08

Finding the Fourth Proportional to 22,136.96, 33,210.40 and 8,286.08

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Solution

The fourth proportional to 22,136.96, 33,210.40 and 8,286.08 is: 12,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.96 : 33,210.40 = 8,286.08 : x
  2. Step 2: Convert to fraction form
    22,136.96/33,210.40 = 8,286.08/x
  3. Step 3: Cross multiply
    22,136.96x = 33,210.40 × 8,286.08
  4. Step 4: Simplify right side
    22,136.96x = 275,184,031.23
  5. Step 5: Solve for x
    x = 275,184,031.23/22,136.96
  6. Step 6: Final answer
    x = 12,430.98

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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.