Home / 22,179.43-30,600.34-15,807.03

Finding the Fourth Proportional to 22,179.43, 30,600.34 and 15,807.03

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Solution

The fourth proportional to 22,179.43, 30,600.34 and 15,807.03 is: 21,808.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.43 : 30,600.34 = 15,807.03 : x
  2. Step 2: Convert to fraction form
    22,179.43/30,600.34 = 15,807.03/x
  3. Step 3: Cross multiply
    22,179.43x = 30,600.34 × 15,807.03
  4. Step 4: Simplify right side
    22,179.43x = 483,700,492.39
  5. Step 5: Solve for x
    x = 483,700,492.39/22,179.43
  6. Step 6: Final answer
    x = 21,808.52

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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.