Home / 30,573.63-42,193.17-17,146.26

Finding the Fourth Proportional to 30,573.63, 42,193.17 and 17,146.26

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Solution

The fourth proportional to 30,573.63, 42,193.17 and 17,146.26 is: 23,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,573.63 : 42,193.17 = 17,146.26 : x
  2. Step 2: Convert to fraction form
    30,573.63/42,193.17 = 17,146.26/x
  3. Step 3: Cross multiply
    30,573.63x = 42,193.17 × 17,146.26
  4. Step 4: Simplify right side
    30,573.63x = 723,455,063.04
  5. Step 5: Solve for x
    x = 723,455,063.04/30,573.63
  6. Step 6: Final answer
    x = 23,662.71

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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.