Home / 18,150.32-25,049.76-11,075.24

Finding the Fourth Proportional to 18,150.32, 25,049.76 and 11,075.24

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Solution

The fourth proportional to 18,150.32, 25,049.76 and 11,075.24 is: 15,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,150.32 : 25,049.76 = 11,075.24 : x
  2. Step 2: Convert to fraction form
    18,150.32/25,049.76 = 11,075.24/x
  3. Step 3: Cross multiply
    18,150.32x = 25,049.76 × 11,075.24
  4. Step 4: Simplify right side
    18,150.32x = 277,432,103.94
  5. Step 5: Solve for x
    x = 277,432,103.94/18,150.32
  6. Step 6: Final answer
    x = 15,285.25

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Half scale
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Double scale
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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.