Home / 16,966.43-25,428.71-12,302.45

Finding the Fourth Proportional to 16,966.43, 25,428.71 and 12,302.45

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Solution

The fourth proportional to 16,966.43, 25,428.71 and 12,302.45 is: 18,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.43 : 25,428.71 = 12,302.45 : x
  2. Step 2: Convert to fraction form
    16,966.43/25,428.71 = 12,302.45/x
  3. Step 3: Cross multiply
    16,966.43x = 25,428.71 × 12,302.45
  4. Step 4: Simplify right side
    16,966.43x = 312,835,244.68
  5. Step 5: Solve for x
    x = 312,835,244.68/16,966.43
  6. Step 6: Final answer
    x = 18,438.49

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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.