Home / 22,025.34-30,383.49-13,529.38

Finding the Fourth Proportional to 22,025.34, 30,383.49 and 13,529.38

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Solution

The fourth proportional to 22,025.34, 30,383.49 and 13,529.38 is: 18,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,025.34 : 30,383.49 = 13,529.38 : x
  2. Step 2: Convert to fraction form
    22,025.34/30,383.49 = 13,529.38/x
  3. Step 3: Cross multiply
    22,025.34x = 30,383.49 × 13,529.38
  4. Step 4: Simplify right side
    22,025.34x = 411,069,737.58
  5. Step 5: Solve for x
    x = 411,069,737.58/22,025.34
  6. Step 6: Final answer
    x = 18,663.49

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Half scale
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Double scale
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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.