Home / 14,310.12-21,461.38-10,137.81

Finding the Fourth Proportional to 14,310.12, 21,461.38 and 10,137.81

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Solution

The fourth proportional to 14,310.12, 21,461.38 and 10,137.81 is: 15,204.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.12 : 21,461.38 = 10,137.81 : x
  2. Step 2: Convert to fraction form
    14,310.12/21,461.38 = 10,137.81/x
  3. Step 3: Cross multiply
    14,310.12x = 21,461.38 × 10,137.81
  4. Step 4: Simplify right side
    14,310.12x = 217,571,392.78
  5. Step 5: Solve for x
    x = 217,571,392.78/14,310.12
  6. Step 6: Final answer
    x = 15,204.02

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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.