Home / 16,829.73-23,220.95-10,120.50

Finding the Fourth Proportional to 16,829.73, 23,220.95 and 10,120.50

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Solution

The fourth proportional to 16,829.73, 23,220.95 and 10,120.50 is: 13,963.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,829.73 : 23,220.95 = 10,120.50 : x
  2. Step 2: Convert to fraction form
    16,829.73/23,220.95 = 10,120.50/x
  3. Step 3: Cross multiply
    16,829.73x = 23,220.95 × 10,120.50
  4. Step 4: Simplify right side
    16,829.73x = 235,007,573.87
  5. Step 5: Solve for x
    x = 235,007,573.87/16,829.73
  6. Step 6: Final answer
    x = 13,963.84

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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.