Home / 13,337.52-20,018.83-6,768.42

Finding the Fourth Proportional to 13,337.52, 20,018.83 and 6,768.42

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Solution

The fourth proportional to 13,337.52, 20,018.83 and 6,768.42 is: 10,159.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.52 : 20,018.83 = 6,768.42 : x
  2. Step 2: Convert to fraction form
    13,337.52/20,018.83 = 6,768.42/x
  3. Step 3: Cross multiply
    13,337.52x = 20,018.83 × 6,768.42
  4. Step 4: Simplify right side
    13,337.52x = 135,495,849.35
  5. Step 5: Solve for x
    x = 135,495,849.35/13,337.52
  6. Step 6: Final answer
    x = 10,159.00

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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.