Home / 55,288.25-82,935.21-15,845.70

Finding the Fourth Proportional to 55,288.25, 82,935.21 and 15,845.70

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Solution

The fourth proportional to 55,288.25, 82,935.21 and 15,845.70 is: 23,769.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288.25 : 82,935.21 = 15,845.70 : x
  2. Step 2: Convert to fraction form
    55,288.25/82,935.21 = 15,845.70/x
  3. Step 3: Cross multiply
    55,288.25x = 82,935.21 × 15,845.70
  4. Step 4: Simplify right side
    55,288.25x = 1,314,166,457.10
  5. Step 5: Solve for x
    x = 1,314,166,457.10/55,288.25
  6. Step 6: Final answer
    x = 23,769.36

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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.