Home / 55,189.56-82,785.14-15,746.70

Finding the Fourth Proportional to 55,189.56, 82,785.14 and 15,746.70

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Solution

The fourth proportional to 55,189.56, 82,785.14 and 15,746.70 is: 23,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,189.56 : 82,785.14 = 15,746.70 : x
  2. Step 2: Convert to fraction form
    55,189.56/82,785.14 = 15,746.70/x
  3. Step 3: Cross multiply
    55,189.56x = 82,785.14 × 15,746.70
  4. Step 4: Simplify right side
    55,189.56x = 1,303,592,764.04
  5. Step 5: Solve for x
    x = 1,303,592,764.04/55,189.56
  6. Step 6: Final answer
    x = 23,620.28

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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.