Home / 30,553.64-42,165.18-17,125.14

Finding the Fourth Proportional to 30,553.64, 42,165.18 and 17,125.14

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Solution

The fourth proportional to 30,553.64, 42,165.18 and 17,125.14 is: 23,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553.64 : 42,165.18 = 17,125.14 : x
  2. Step 2: Convert to fraction form
    30,553.64/42,165.18 = 17,125.14/x
  3. Step 3: Cross multiply
    30,553.64x = 42,165.18 × 17,125.14
  4. Step 4: Simplify right side
    30,553.64x = 722,084,610.63
  5. Step 5: Solve for x
    x = 722,084,610.63/30,553.64
  6. Step 6: Final answer
    x = 23,633.34

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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.