Home / 23,115.30-34,709.40-13,273.80

Finding the Fourth Proportional to 23,115.30, 34,709.40 and 13,273.80

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Solution

The fourth proportional to 23,115.30, 34,709.40 and 13,273.80 is: 19,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.30 : 34,709.40 = 13,273.80 : x
  2. Step 2: Convert to fraction form
    23,115.30/34,709.40 = 13,273.80/x
  3. Step 3: Cross multiply
    23,115.30x = 34,709.40 × 13,273.80
  4. Step 4: Simplify right side
    23,115.30x = 460,725,633.72
  5. Step 5: Solve for x
    x = 460,725,633.72/23,115.30
  6. Step 6: Final answer
    x = 19,931.63

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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.