Home / 14,588.52-20,130.96-8,213.07

Finding the Fourth Proportional to 14,588.52, 20,130.96 and 8,213.07

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Solution

The fourth proportional to 14,588.52, 20,130.96 and 8,213.07 is: 11,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.52 : 20,130.96 = 8,213.07 : x
  2. Step 2: Convert to fraction form
    14,588.52/20,130.96 = 8,213.07/x
  3. Step 3: Cross multiply
    14,588.52x = 20,130.96 × 8,213.07
  4. Step 4: Simplify right side
    14,588.52x = 165,336,983.65
  5. Step 5: Solve for x
    x = 165,336,983.65/14,588.52
  6. Step 6: Final answer
    x = 11,333.36

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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.