Home / 23,027.40-34,516.80-13,145.40

Finding the Fourth Proportional to 23,027.40, 34,516.80 and 13,145.40

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Solution

The fourth proportional to 23,027.40, 34,516.80 and 13,145.40 is: 19,704.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.40 : 34,516.80 = 13,145.40 : x
  2. Step 2: Convert to fraction form
    23,027.40/34,516.80 = 13,145.40/x
  3. Step 3: Cross multiply
    23,027.40x = 34,516.80 × 13,145.40
  4. Step 4: Simplify right side
    23,027.40x = 453,737,142.72
  5. Step 5: Solve for x
    x = 453,737,142.72/23,027.40
  6. Step 6: Final answer
    x = 19,704.23

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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.