Home / 18,415.28-27,635.03-10,101.13

Finding the Fourth Proportional to 18,415.28, 27,635.03 and 10,101.13

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Solution

The fourth proportional to 18,415.28, 27,635.03 and 10,101.13 is: 15,158.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415.28 : 27,635.03 = 10,101.13 : x
  2. Step 2: Convert to fraction form
    18,415.28/27,635.03 = 10,101.13/x
  3. Step 3: Cross multiply
    18,415.28x = 27,635.03 × 10,101.13
  4. Step 4: Simplify right side
    18,415.28x = 279,145,030.58
  5. Step 5: Solve for x
    x = 279,145,030.58/18,415.28
  6. Step 6: Final answer
    x = 15,158.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.