Home / 23,428.41-32,331.68-12,818.27

Finding the Fourth Proportional to 23,428.41, 32,331.68 and 12,818.27

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Solution

The fourth proportional to 23,428.41, 32,331.68 and 12,818.27 is: 17,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,428.41 : 32,331.68 = 12,818.27 : x
  2. Step 2: Convert to fraction form
    23,428.41/32,331.68 = 12,818.27/x
  3. Step 3: Cross multiply
    23,428.41x = 32,331.68 × 12,818.27
  4. Step 4: Simplify right side
    23,428.41x = 414,436,292.99
  5. Step 5: Solve for x
    x = 414,436,292.99/23,428.41
  6. Step 6: Final answer
    x = 17,689.47

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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.