Home / 16,425.47-22,640.51-12,834.14

Finding the Fourth Proportional to 16,425.47, 22,640.51 and 12,834.14

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Solution

The fourth proportional to 16,425.47, 22,640.51 and 12,834.14 is: 17,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.47 : 22,640.51 = 12,834.14 : x
  2. Step 2: Convert to fraction form
    16,425.47/22,640.51 = 12,834.14/x
  3. Step 3: Cross multiply
    16,425.47x = 22,640.51 × 12,834.14
  4. Step 4: Simplify right side
    16,425.47x = 290,571,563.70
  5. Step 5: Solve for x
    x = 290,571,563.70/16,425.47
  6. Step 6: Final answer
    x = 17,690.31

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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.