Home / 17,783.36-26,670.68-8,423.04

Finding the Fourth Proportional to 17,783.36, 26,670.68 and 8,423.04

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Solution

The fourth proportional to 17,783.36, 26,670.68 and 8,423.04 is: 12,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,783.36 : 26,670.68 = 8,423.04 : x
  2. Step 2: Convert to fraction form
    17,783.36/26,670.68 = 8,423.04/x
  3. Step 3: Cross multiply
    17,783.36x = 26,670.68 × 8,423.04
  4. Step 4: Simplify right side
    17,783.36x = 224,648,204.47
  5. Step 5: Solve for x
    x = 224,648,204.47/17,783.36
  6. Step 6: Final answer
    x = 12,632.49

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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.