Home / 13,071.68-19,607.52-4,309.12

Finding the Fourth Proportional to 13,071.68, 19,607.52 and 4,309.12

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Solution

The fourth proportional to 13,071.68, 19,607.52 and 4,309.12 is: 6,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.68 : 19,607.52 = 4,309.12 : x
  2. Step 2: Convert to fraction form
    13,071.68/19,607.52 = 4,309.12/x
  3. Step 3: Cross multiply
    13,071.68x = 19,607.52 × 4,309.12
  4. Step 4: Simplify right side
    13,071.68x = 84,491,156.58
  5. Step 5: Solve for x
    x = 84,491,156.58/13,071.68
  6. Step 6: Final answer
    x = 6,463.68

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Similar ratio
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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.