Home / 16,861.36-23,267.52-10,145.68

Finding the Fourth Proportional to 16,861.36, 23,267.52 and 10,145.68

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Solution

The fourth proportional to 16,861.36, 23,267.52 and 10,145.68 is: 14,000.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.36 : 23,267.52 = 10,145.68 : x
  2. Step 2: Convert to fraction form
    16,861.36/23,267.52 = 10,145.68/x
  3. Step 3: Cross multiply
    16,861.36x = 23,267.52 × 10,145.68
  4. Step 4: Simplify right side
    16,861.36x = 236,064,812.31
  5. Step 5: Solve for x
    x = 236,064,812.31/16,861.36
  6. Step 6: Final answer
    x = 14,000.34

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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.