Home / 15,101.40-22,652.10-12,768.60

Finding the Fourth Proportional to 15,101.40, 22,652.10 and 12,768.60

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Solution

The fourth proportional to 15,101.40, 22,652.10 and 12,768.60 is: 19,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.40 : 22,652.10 = 12,768.60 : x
  2. Step 2: Convert to fraction form
    15,101.40/22,652.10 = 12,768.60/x
  3. Step 3: Cross multiply
    15,101.40x = 22,652.10 × 12,768.60
  4. Step 4: Simplify right side
    15,101.40x = 289,235,604.06
  5. Step 5: Solve for x
    x = 289,235,604.06/15,101.40
  6. Step 6: Final answer
    x = 19,152.90

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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.