Home / 18,307.76-25,257.56-11,941.83

Finding the Fourth Proportional to 18,307.76, 25,257.56 and 11,941.83

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Solution

The fourth proportional to 18,307.76, 25,257.56 and 11,941.83 is: 16,475.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.76 : 25,257.56 = 11,941.83 : x
  2. Step 2: Convert to fraction form
    18,307.76/25,257.56 = 11,941.83/x
  3. Step 3: Cross multiply
    18,307.76x = 25,257.56 × 11,941.83
  4. Step 4: Simplify right side
    18,307.76x = 301,621,428.03
  5. Step 5: Solve for x
    x = 301,621,428.03/18,307.76
  6. Step 6: Final answer
    x = 16,475.06

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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.