Home / 18,433.80-25,438.64-10,050.30

Finding the Fourth Proportional to 18,433.80, 25,438.64 and 10,050.30

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Solution

The fourth proportional to 18,433.80, 25,438.64 and 10,050.30 is: 13,869.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.80 : 25,438.64 = 10,050.30 : x
  2. Step 2: Convert to fraction form
    18,433.80/25,438.64 = 10,050.30/x
  3. Step 3: Cross multiply
    18,433.80x = 25,438.64 × 10,050.30
  4. Step 4: Simplify right side
    18,433.80x = 255,665,963.59
  5. Step 5: Solve for x
    x = 255,665,963.59/18,433.80
  6. Step 6: Final answer
    x = 13,869.41

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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.