Home / 18,154.98-25,056.60-11,085.48

Finding the Fourth Proportional to 18,154.98, 25,056.60 and 11,085.48

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Solution

The fourth proportional to 18,154.98, 25,056.60 and 11,085.48 is: 15,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.98 : 25,056.60 = 11,085.48 : x
  2. Step 2: Convert to fraction form
    18,154.98/25,056.60 = 11,085.48/x
  3. Step 3: Cross multiply
    18,154.98x = 25,056.60 × 11,085.48
  4. Step 4: Simplify right side
    18,154.98x = 277,764,438.17
  5. Step 5: Solve for x
    x = 277,764,438.17/18,154.98
  6. Step 6: Final answer
    x = 15,299.63

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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.