Home / 15,681.88-23,522.82-3,995.11

Finding the Fourth Proportional to 15,681.88, 23,522.82 and 3,995.11

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Solution

The fourth proportional to 15,681.88, 23,522.82 and 3,995.11 is: 5,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,681.88 : 23,522.82 = 3,995.11 : x
  2. Step 2: Convert to fraction form
    15,681.88/23,522.82 = 3,995.11/x
  3. Step 3: Cross multiply
    15,681.88x = 23,522.82 × 3,995.11
  4. Step 4: Simplify right side
    15,681.88x = 93,976,253.41
  5. Step 5: Solve for x
    x = 93,976,253.41/15,681.88
  6. Step 6: Final answer
    x = 5,992.67

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