Home / 23,043.40-34,542.63-12,503.89

Finding the Fourth Proportional to 23,043.40, 34,542.63 and 12,503.89

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Solution

The fourth proportional to 23,043.40, 34,542.63 and 12,503.89 is: 18,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,043.40 : 34,542.63 = 12,503.89 : x
  2. Step 2: Convert to fraction form
    23,043.40/34,542.63 = 12,503.89/x
  3. Step 3: Cross multiply
    23,043.40x = 34,542.63 × 12,503.89
  4. Step 4: Simplify right side
    23,043.40x = 431,917,245.83
  5. Step 5: Solve for x
    x = 431,917,245.83/23,043.40
  6. Step 6: Final answer
    x = 18,743.64

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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.