Home / 18,461.46-25,491.33-14,865

Finding the Fourth Proportional to 18,461.46, 25,491.33 and 14,865

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Solution

The fourth proportional to 18,461.46, 25,491.33 and 14,865 is: 20,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.46 : 25,491.33 = 14,865 : x
  2. Step 2: Convert to fraction form
    18,461.46/25,491.33 = 14,865/x
  3. Step 3: Cross multiply
    18,461.46x = 25,491.33 × 14,865
  4. Step 4: Simplify right side
    18,461.46x = 378,928,620.45
  5. Step 5: Solve for x
    x = 378,928,620.45/18,461.46
  6. Step 6: Final answer
    x = 20,525.39

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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.