Home / 18,261.17-25,201.56-10,300.49

Finding the Fourth Proportional to 18,261.17, 25,201.56 and 10,300.49

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Solution

The fourth proportional to 18,261.17, 25,201.56 and 10,300.49 is: 14,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.17 : 25,201.56 = 10,300.49 : x
  2. Step 2: Convert to fraction form
    18,261.17/25,201.56 = 10,300.49/x
  3. Step 3: Cross multiply
    18,261.17x = 25,201.56 × 10,300.49
  4. Step 4: Simplify right side
    18,261.17x = 259,588,290.76
  5. Step 5: Solve for x
    x = 259,588,290.76/18,261.17
  6. Step 6: Final answer
    x = 14,215.32

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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.