Home / 18,018.17-24,863.27-12,357.75

Finding the Fourth Proportional to 18,018.17, 24,863.27 and 12,357.75

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Solution

The fourth proportional to 18,018.17, 24,863.27 and 12,357.75 is: 17,052.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.17 : 24,863.27 = 12,357.75 : x
  2. Step 2: Convert to fraction form
    18,018.17/24,863.27 = 12,357.75/x
  3. Step 3: Cross multiply
    18,018.17x = 24,863.27 × 12,357.75
  4. Step 4: Simplify right side
    18,018.17x = 307,254,074.84
  5. Step 5: Solve for x
    x = 307,254,074.84/18,018.17
  6. Step 6: Final answer
    x = 17,052.46

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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.