Home / 18,402.04-25,394.82-10,018.54

Finding the Fourth Proportional to 18,402.04, 25,394.82 and 10,018.54

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Solution

The fourth proportional to 18,402.04, 25,394.82 and 10,018.54 is: 13,825.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.04 : 25,394.82 = 10,018.54 : x
  2. Step 2: Convert to fraction form
    18,402.04/25,394.82 = 10,018.54/x
  3. Step 3: Cross multiply
    18,402.04x = 25,394.82 × 10,018.54
  4. Step 4: Simplify right side
    18,402.04x = 254,418,842.90
  5. Step 5: Solve for x
    x = 254,418,842.90/18,402.04
  6. Step 6: Final answer
    x = 13,825.58

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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.