Home / 13,736.66-20,588.10-6,330.84

Finding the Fourth Proportional to 13,736.66, 20,588.10 and 6,330.84

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Solution

The fourth proportional to 13,736.66, 20,588.10 and 6,330.84 is: 9,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.66 : 20,588.10 = 6,330.84 : x
  2. Step 2: Convert to fraction form
    13,736.66/20,588.10 = 6,330.84/x
  3. Step 3: Cross multiply
    13,736.66x = 20,588.10 × 6,330.84
  4. Step 4: Simplify right side
    13,736.66x = 130,339,967.00
  5. Step 5: Solve for x
    x = 130,339,967.00/13,736.66
  6. Step 6: Final answer
    x = 9,488.48

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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.