Home / 13,004.12-17,939.94-10,217.72

Finding the Fourth Proportional to 13,004.12, 17,939.94 and 10,217.72

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Solution

The fourth proportional to 13,004.12, 17,939.94 and 10,217.72 is: 14,095.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.12 : 17,939.94 = 10,217.72 : x
  2. Step 2: Convert to fraction form
    13,004.12/17,939.94 = 10,217.72/x
  3. Step 3: Cross multiply
    13,004.12x = 17,939.94 × 10,217.72
  4. Step 4: Simplify right side
    13,004.12x = 183,305,283.74
  5. Step 5: Solve for x
    x = 183,305,283.74/13,004.12
  6. Step 6: Final answer
    x = 14,095.94

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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.