Home / 23,425.80-32,328.39-12,815.43

Finding the Fourth Proportional to 23,425.80, 32,328.39 and 12,815.43

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Solution

The fourth proportional to 23,425.80, 32,328.39 and 12,815.43 is: 17,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,425.80 : 32,328.39 = 12,815.43 : x
  2. Step 2: Convert to fraction form
    23,425.80/32,328.39 = 12,815.43/x
  3. Step 3: Cross multiply
    23,425.80x = 32,328.39 × 12,815.43
  4. Step 4: Simplify right side
    23,425.80x = 414,302,219.06
  5. Step 5: Solve for x
    x = 414,302,219.06/23,425.80
  6. Step 6: Final answer
    x = 17,685.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.