Home / 16,205.81-22,364.02-9,132.49

Finding the Fourth Proportional to 16,205.81, 22,364.02 and 9,132.49

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Solution

The fourth proportional to 16,205.81, 22,364.02 and 9,132.49 is: 12,602.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,205.81 : 22,364.02 = 9,132.49 : x
  2. Step 2: Convert to fraction form
    16,205.81/22,364.02 = 9,132.49/x
  3. Step 3: Cross multiply
    16,205.81x = 22,364.02 × 9,132.49
  4. Step 4: Simplify right side
    16,205.81x = 204,239,144.52
  5. Step 5: Solve for x
    x = 204,239,144.52/16,205.81
  6. Step 6: Final answer
    x = 12,602.83

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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.