Home / 22,228.52-30,674.58-12,157.16

Finding the Fourth Proportional to 22,228.52, 30,674.58 and 12,157.16

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Solution

The fourth proportional to 22,228.52, 30,674.58 and 12,157.16 is: 16,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,228.52 : 30,674.58 = 12,157.16 : x
  2. Step 2: Convert to fraction form
    22,228.52/30,674.58 = 12,157.16/x
  3. Step 3: Cross multiply
    22,228.52x = 30,674.58 × 12,157.16
  4. Step 4: Simplify right side
    22,228.52x = 372,915,776.99
  5. Step 5: Solve for x
    x = 372,915,776.99/22,228.52
  6. Step 6: Final answer
    x = 16,776.46

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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.