Home / 18,017.40-27,026.10-10,228.44

Finding the Fourth Proportional to 18,017.40, 27,026.10 and 10,228.44

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Solution

The fourth proportional to 18,017.40, 27,026.10 and 10,228.44 is: 15,342.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.40 : 27,026.10 = 10,228.44 : x
  2. Step 2: Convert to fraction form
    18,017.40/27,026.10 = 10,228.44/x
  3. Step 3: Cross multiply
    18,017.40x = 27,026.10 × 10,228.44
  4. Step 4: Simplify right side
    18,017.40x = 276,434,842.28
  5. Step 5: Solve for x
    x = 276,434,842.28/18,017.40
  6. Step 6: Final answer
    x = 15,342.66

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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.