Home / 17,090.30-25,635.45-12,133.10

Finding the Fourth Proportional to 17,090.30, 25,635.45 and 12,133.10

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Solution

The fourth proportional to 17,090.30, 25,635.45 and 12,133.10 is: 18,199.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.30 : 25,635.45 = 12,133.10 : x
  2. Step 2: Convert to fraction form
    17,090.30/25,635.45 = 12,133.10/x
  3. Step 3: Cross multiply
    17,090.30x = 25,635.45 × 12,133.10
  4. Step 4: Simplify right side
    17,090.30x = 311,037,478.40
  5. Step 5: Solve for x
    x = 311,037,478.40/17,090.30
  6. Step 6: Final answer
    x = 18,199.65

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.