Home / 23,099.84-31,885.97-13,668.38

Finding the Fourth Proportional to 23,099.84, 31,885.97 and 13,668.38

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Solution

The fourth proportional to 23,099.84, 31,885.97 and 13,668.38 is: 18,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,099.84 : 31,885.97 = 13,668.38 : x
  2. Step 2: Convert to fraction form
    23,099.84/31,885.97 = 13,668.38/x
  3. Step 3: Cross multiply
    23,099.84x = 31,885.97 × 13,668.38
  4. Step 4: Simplify right side
    23,099.84x = 435,829,326.86
  5. Step 5: Solve for x
    x = 435,829,326.86/23,099.84
  6. Step 6: Final answer
    x = 18,867.21

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.