Home / 16,102.43-22,222.62-9,387.60

Finding the Fourth Proportional to 16,102.43, 22,222.62 and 9,387.60

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Solution

The fourth proportional to 16,102.43, 22,222.62 and 9,387.60 is: 12,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,102.43 : 22,222.62 = 9,387.60 : x
  2. Step 2: Convert to fraction form
    16,102.43/22,222.62 = 9,387.60/x
  3. Step 3: Cross multiply
    16,102.43x = 22,222.62 × 9,387.60
  4. Step 4: Simplify right side
    16,102.43x = 208,616,984.18
  5. Step 5: Solve for x
    x = 208,616,984.18/16,102.43
  6. Step 6: Final answer
    x = 12,955.62

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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.