Home / 16,138.63-22,273.39-9,065.05

Finding the Fourth Proportional to 16,138.63, 22,273.39 and 9,065.05

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Solution

The fourth proportional to 16,138.63, 22,273.39 and 9,065.05 is: 12,510.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,138.63 : 22,273.39 = 9,065.05 : x
  2. Step 2: Convert to fraction form
    16,138.63/22,273.39 = 9,065.05/x
  3. Step 3: Cross multiply
    16,138.63x = 22,273.39 × 9,065.05
  4. Step 4: Simplify right side
    16,138.63x = 201,909,394.02
  5. Step 5: Solve for x
    x = 201,909,394.02/16,138.63
  6. Step 6: Final answer
    x = 12,510.94

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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.