Home / 48,513.92-72,762.80-13,457.12

Finding the Fourth Proportional to 48,513.92, 72,762.80 and 13,457.12

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Solution

The fourth proportional to 48,513.92, 72,762.80 and 13,457.12 is: 20,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,513.92 : 72,762.80 = 13,457.12 : x
  2. Step 2: Convert to fraction form
    48,513.92/72,762.80 = 13,457.12/x
  3. Step 3: Cross multiply
    48,513.92x = 72,762.80 × 13,457.12
  4. Step 4: Simplify right side
    48,513.92x = 979,177,731.14
  5. Step 5: Solve for x
    x = 979,177,731.14/48,513.92
  6. Step 6: Final answer
    x = 20,183.44

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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.