Home / 18,314.92-25,272.84-14,547.21

Finding the Fourth Proportional to 18,314.92, 25,272.84 and 14,547.21

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Solution

The fourth proportional to 18,314.92, 25,272.84 and 14,547.21 is: 20,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.92 : 25,272.84 = 14,547.21 : x
  2. Step 2: Convert to fraction form
    18,314.92/25,272.84 = 14,547.21/x
  3. Step 3: Cross multiply
    18,314.92x = 25,272.84 × 14,547.21
  4. Step 4: Simplify right side
    18,314.92x = 367,649,310.78
  5. Step 5: Solve for x
    x = 367,649,310.78/18,314.92
  6. Step 6: Final answer
    x = 20,073.76

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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.