Home / 18,312.62-25,271.91-11,234.84

Finding the Fourth Proportional to 18,312.62, 25,271.91 and 11,234.84

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Solution

The fourth proportional to 18,312.62, 25,271.91 and 11,234.84 is: 15,504.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.62 : 25,271.91 = 11,234.84 : x
  2. Step 2: Convert to fraction form
    18,312.62/25,271.91 = 11,234.84/x
  3. Step 3: Cross multiply
    18,312.62x = 25,271.91 × 11,234.84
  4. Step 4: Simplify right side
    18,312.62x = 283,925,865.34
  5. Step 5: Solve for x
    x = 283,925,865.34/18,312.62
  6. Step 6: Final answer
    x = 15,504.38

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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.