Home / 48,427.48-72,635.78-13,372.12

Finding the Fourth Proportional to 48,427.48, 72,635.78 and 13,372.12

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Solution

The fourth proportional to 48,427.48, 72,635.78 and 13,372.12 is: 20,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,427.48 : 72,635.78 = 13,372.12 : x
  2. Step 2: Convert to fraction form
    48,427.48/72,635.78 = 13,372.12/x
  3. Step 3: Cross multiply
    48,427.48x = 72,635.78 × 13,372.12
  4. Step 4: Simplify right side
    48,427.48x = 971,294,366.45
  5. Step 5: Solve for x
    x = 971,294,366.45/48,427.48
  6. Step 6: Final answer
    x = 20,056.68

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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.