Home / 18,281.16-25,241.22-12,011.76

Finding the Fourth Proportional to 18,281.16, 25,241.22 and 12,011.76

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Solution

The fourth proportional to 18,281.16, 25,241.22 and 12,011.76 is: 16,584.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.16 : 25,241.22 = 12,011.76 : x
  2. Step 2: Convert to fraction form
    18,281.16/25,241.22 = 12,011.76/x
  3. Step 3: Cross multiply
    18,281.16x = 25,241.22 × 12,011.76
  4. Step 4: Simplify right side
    18,281.16x = 303,191,476.75
  5. Step 5: Solve for x
    x = 303,191,476.75/18,281.16
  6. Step 6: Final answer
    x = 16,584.91

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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.