Home / 20,484.76-30,745.46-10,496.32

Finding the Fourth Proportional to 20,484.76, 30,745.46 and 10,496.32

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Solution

The fourth proportional to 20,484.76, 30,745.46 and 10,496.32 is: 15,753.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484.76 : 30,745.46 = 10,496.32 : x
  2. Step 2: Convert to fraction form
    20,484.76/30,745.46 = 10,496.32/x
  3. Step 3: Cross multiply
    20,484.76x = 30,745.46 × 10,496.32
  4. Step 4: Simplify right side
    20,484.76x = 322,714,186.71
  5. Step 5: Solve for x
    x = 322,714,186.71/20,484.76
  6. Step 6: Final answer
    x = 15,753.87

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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.