Home / 14,453.41-21,681.55-3,923.60

Finding the Fourth Proportional to 14,453.41, 21,681.55 and 3,923.60

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Solution

The fourth proportional to 14,453.41, 21,681.55 and 3,923.60 is: 5,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,453.41 : 21,681.55 = 3,923.60 : x
  2. Step 2: Convert to fraction form
    14,453.41/21,681.55 = 3,923.60/x
  3. Step 3: Cross multiply
    14,453.41x = 21,681.55 × 3,923.60
  4. Step 4: Simplify right side
    14,453.41x = 85,069,638.47
  5. Step 5: Solve for x
    x = 85,069,638.47/14,453.41
  6. Step 6: Final answer
    x = 5,885.79

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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.