Home / 18,803.28-25,953.66-11,725.50

Finding the Fourth Proportional to 18,803.28, 25,953.66 and 11,725.50

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Solution

The fourth proportional to 18,803.28, 25,953.66 and 11,725.50 is: 16,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,803.28 : 25,953.66 = 11,725.50 : x
  2. Step 2: Convert to fraction form
    18,803.28/25,953.66 = 11,725.50/x
  3. Step 3: Cross multiply
    18,803.28x = 25,953.66 × 11,725.50
  4. Step 4: Simplify right side
    18,803.28x = 304,319,640.33
  5. Step 5: Solve for x
    x = 304,319,640.33/18,803.28
  6. Step 6: Final answer
    x = 16,184.39

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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.