Home / 13,170.58-19,752.91-3,808.51

Finding the Fourth Proportional to 13,170.58, 19,752.91 and 3,808.51

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Solution

The fourth proportional to 13,170.58, 19,752.91 and 3,808.51 is: 5,711.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.58 : 19,752.91 = 3,808.51 : x
  2. Step 2: Convert to fraction form
    13,170.58/19,752.91 = 3,808.51/x
  3. Step 3: Cross multiply
    13,170.58x = 19,752.91 × 3,808.51
  4. Step 4: Simplify right side
    13,170.58x = 75,229,155.26
  5. Step 5: Solve for x
    x = 75,229,155.26/13,170.58
  6. Step 6: Final answer
    x = 5,711.91

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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.