Home / 13,101.12-19,649.55-4,334.88

Finding the Fourth Proportional to 13,101.12, 19,649.55 and 4,334.88

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Solution

The fourth proportional to 13,101.12, 19,649.55 and 4,334.88 is: 6,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,101.12 : 19,649.55 = 4,334.88 : x
  2. Step 2: Convert to fraction form
    13,101.12/19,649.55 = 4,334.88/x
  3. Step 3: Cross multiply
    13,101.12x = 19,649.55 × 4,334.88
  4. Step 4: Simplify right side
    13,101.12x = 85,178,441.30
  5. Step 5: Solve for x
    x = 85,178,441.30/13,101.12
  6. Step 6: Final answer
    x = 6,501.62

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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.