Home / 18,017.40-24,858.18-11,305.74

Finding the Fourth Proportional to 18,017.40, 24,858.18 and 11,305.74

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Solution

The fourth proportional to 18,017.40, 24,858.18 and 11,305.74 is: 15,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.40 : 24,858.18 = 11,305.74 : x
  2. Step 2: Convert to fraction form
    18,017.40/24,858.18 = 11,305.74/x
  3. Step 3: Cross multiply
    18,017.40x = 24,858.18 × 11,305.74
  4. Step 4: Simplify right side
    18,017.40x = 281,040,119.95
  5. Step 5: Solve for x
    x = 281,040,119.95/18,017.40
  6. Step 6: Final answer
    x = 15,598.26

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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.