Home / 23,465.36-35,114.21-20,381.70

Finding the Fourth Proportional to 23,465.36, 35,114.21 and 20,381.70

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Solution

The fourth proportional to 23,465.36, 35,114.21 and 20,381.70 is: 30,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,465.36 : 35,114.21 = 20,381.70 : x
  2. Step 2: Convert to fraction form
    23,465.36/35,114.21 = 20,381.70/x
  3. Step 3: Cross multiply
    23,465.36x = 35,114.21 × 20,381.70
  4. Step 4: Simplify right side
    23,465.36x = 715,687,293.96
  5. Step 5: Solve for x
    x = 715,687,293.96/23,465.36
  6. Step 6: Final answer
    x = 30,499.74

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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.