Home / 16,812.45-23,201.25-10,098.20

Finding the Fourth Proportional to 16,812.45, 23,201.25 and 10,098.20

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Solution

The fourth proportional to 16,812.45, 23,201.25 and 10,098.20 is: 13,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.45 : 23,201.25 = 10,098.20 : x
  2. Step 2: Convert to fraction form
    16,812.45/23,201.25 = 10,098.20/x
  3. Step 3: Cross multiply
    16,812.45x = 23,201.25 × 10,098.20
  4. Step 4: Simplify right side
    16,812.45x = 234,290,746.74
  5. Step 5: Solve for x
    x = 234,290,746.74/16,812.45
  6. Step 6: Final answer
    x = 13,935.55

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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.