Home / 13,165.98-19,752.71-6,504.51

Finding the Fourth Proportional to 13,165.98, 19,752.71 and 6,504.51

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Solution

The fourth proportional to 13,165.98, 19,752.71 and 6,504.51 is: 9,758.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.98 : 19,752.71 = 6,504.51 : x
  2. Step 2: Convert to fraction form
    13,165.98/19,752.71 = 6,504.51/x
  3. Step 3: Cross multiply
    13,165.98x = 19,752.71 × 6,504.51
  4. Step 4: Simplify right side
    13,165.98x = 128,481,568.44
  5. Step 5: Solve for x
    x = 128,481,568.44/13,165.98
  6. Step 6: Final answer
    x = 9,758.61

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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.