Home / 13,170.34-19,752.58-3,808.32

Finding the Fourth Proportional to 13,170.34, 19,752.58 and 3,808.32

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Solution

The fourth proportional to 13,170.34, 19,752.58 and 3,808.32 is: 5,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.34 : 19,752.58 = 3,808.32 : x
  2. Step 2: Convert to fraction form
    13,170.34/19,752.58 = 3,808.32/x
  3. Step 3: Cross multiply
    13,170.34x = 19,752.58 × 3,808.32
  4. Step 4: Simplify right side
    13,170.34x = 75,224,145.47
  5. Step 5: Solve for x
    x = 75,224,145.47/13,170.34
  6. Step 6: Final answer
    x = 5,711.63

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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.