Home / 16,852.56-23,247.72-12,866.76

Finding the Fourth Proportional to 16,852.56, 23,247.72 and 12,866.76

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Solution

The fourth proportional to 16,852.56, 23,247.72 and 12,866.76 is: 17,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,852.56 : 23,247.72 = 12,866.76 : x
  2. Step 2: Convert to fraction form
    16,852.56/23,247.72 = 12,866.76/x
  3. Step 3: Cross multiply
    16,852.56x = 23,247.72 × 12,866.76
  4. Step 4: Simplify right side
    16,852.56x = 299,122,833.79
  5. Step 5: Solve for x
    x = 299,122,833.79/16,852.56
  6. Step 6: Final answer
    x = 17,749.40

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Half scale
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Double scale
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Similar ratio
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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.