Home / 14,071.68-19,507.74-13,322.63

Finding the Fourth Proportional to 14,071.68, 19,507.74 and 13,322.63

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Solution

The fourth proportional to 14,071.68, 19,507.74 and 13,322.63 is: 18,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.68 : 19,507.74 = 13,322.63 : x
  2. Step 2: Convert to fraction form
    14,071.68/19,507.74 = 13,322.63/x
  3. Step 3: Cross multiply
    14,071.68x = 19,507.74 × 13,322.63
  4. Step 4: Simplify right side
    14,071.68x = 259,894,335.54
  5. Step 5: Solve for x
    x = 259,894,335.54/14,071.68
  6. Step 6: Final answer
    x = 18,469.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.