Home / 15,946.38-22,007.70-12,162.60

Finding the Fourth Proportional to 15,946.38, 22,007.70 and 12,162.60

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Solution

The fourth proportional to 15,946.38, 22,007.70 and 12,162.60 is: 16,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.38 : 22,007.70 = 12,162.60 : x
  2. Step 2: Convert to fraction form
    15,946.38/22,007.70 = 12,162.60/x
  3. Step 3: Cross multiply
    15,946.38x = 22,007.70 × 12,162.60
  4. Step 4: Simplify right side
    15,946.38x = 267,670,852.02
  5. Step 5: Solve for x
    x = 267,670,852.02/15,946.38
  6. Step 6: Final answer
    x = 16,785.68

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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.