Home / 13,768.20-19,003.16-9,052.92

Finding the Fourth Proportional to 13,768.20, 19,003.16 and 9,052.92

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Solution

The fourth proportional to 13,768.20, 19,003.16 and 9,052.92 is: 12,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,768.20 : 19,003.16 = 9,052.92 : x
  2. Step 2: Convert to fraction form
    13,768.20/19,003.16 = 9,052.92/x
  3. Step 3: Cross multiply
    13,768.20x = 19,003.16 × 9,052.92
  4. Step 4: Simplify right side
    13,768.20x = 172,034,041.96
  5. Step 5: Solve for x
    x = 172,034,041.96/13,768.20
  6. Step 6: Final answer
    x = 12,495.03

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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.