Home / 18,444.87-25,453.85-10,487.09

Finding the Fourth Proportional to 18,444.87, 25,453.85 and 10,487.09

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Solution

The fourth proportional to 18,444.87, 25,453.85 and 10,487.09 is: 14,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.87 : 25,453.85 = 10,487.09 : x
  2. Step 2: Convert to fraction form
    18,444.87/25,453.85 = 10,487.09/x
  3. Step 3: Cross multiply
    18,444.87x = 25,453.85 × 10,487.09
  4. Step 4: Simplify right side
    18,444.87x = 266,936,827.00
  5. Step 5: Solve for x
    x = 266,936,827.00/18,444.87
  6. Step 6: Final answer
    x = 14,472.14

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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.