Home / 22,120.58-30,527.10-12,049.40

Finding the Fourth Proportional to 22,120.58, 30,527.10 and 12,049.40

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Solution

The fourth proportional to 22,120.58, 30,527.10 and 12,049.40 is: 16,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,120.58 : 30,527.10 = 12,049.40 : x
  2. Step 2: Convert to fraction form
    22,120.58/30,527.10 = 12,049.40/x
  3. Step 3: Cross multiply
    22,120.58x = 30,527.10 × 12,049.40
  4. Step 4: Simplify right side
    22,120.58x = 367,833,238.74
  5. Step 5: Solve for x
    x = 367,833,238.74/22,120.58
  6. Step 6: Final answer
    x = 16,628.55

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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.