Home / 15,120.20-22,680.30-4,026.34

Finding the Fourth Proportional to 15,120.20, 22,680.30 and 4,026.34

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Solution

The fourth proportional to 15,120.20, 22,680.30 and 4,026.34 is: 6,039.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.20 : 22,680.30 = 4,026.34 : x
  2. Step 2: Convert to fraction form
    15,120.20/22,680.30 = 4,026.34/x
  3. Step 3: Cross multiply
    15,120.20x = 22,680.30 × 4,026.34
  4. Step 4: Simplify right side
    15,120.20x = 91,318,465.57
  5. Step 5: Solve for x
    x = 91,318,465.57/15,120.20
  6. Step 6: Final answer
    x = 6,039.50

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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.