Home / 18,018.40-24,865.26-9,952.57

Finding the Fourth Proportional to 18,018.40, 24,865.26 and 9,952.57

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Solution

The fourth proportional to 18,018.40, 24,865.26 and 9,952.57 is: 13,734.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.40 : 24,865.26 = 9,952.57 : x
  2. Step 2: Convert to fraction form
    18,018.40/24,865.26 = 9,952.57/x
  3. Step 3: Cross multiply
    18,018.40x = 24,865.26 × 9,952.57
  4. Step 4: Simplify right side
    18,018.40x = 247,473,240.72
  5. Step 5: Solve for x
    x = 247,473,240.72/18,018.40
  6. Step 6: Final answer
    x = 13,734.47

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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.