Home / 18,438.34-25,444.08-10,480.44

Finding the Fourth Proportional to 18,438.34, 25,444.08 and 10,480.44

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Solution

The fourth proportional to 18,438.34, 25,444.08 and 10,480.44 is: 14,462.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438.34 : 25,444.08 = 10,480.44 : x
  2. Step 2: Convert to fraction form
    18,438.34/25,444.08 = 10,480.44/x
  3. Step 3: Cross multiply
    18,438.34x = 25,444.08 × 10,480.44
  4. Step 4: Simplify right side
    18,438.34x = 266,665,153.80
  5. Step 5: Solve for x
    x = 266,665,153.80/18,438.34
  6. Step 6: Final answer
    x = 14,462.54

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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.