Home / 22,880.66-31,573.85-12,807.41

Finding the Fourth Proportional to 22,880.66, 31,573.85 and 12,807.41

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Solution

The fourth proportional to 22,880.66, 31,573.85 and 12,807.41 is: 17,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,880.66 : 31,573.85 = 12,807.41 : x
  2. Step 2: Convert to fraction form
    22,880.66/31,573.85 = 12,807.41/x
  3. Step 3: Cross multiply
    22,880.66x = 31,573.85 × 12,807.41
  4. Step 4: Simplify right side
    22,880.66x = 404,379,020.32
  5. Step 5: Solve for x
    x = 404,379,020.32/22,880.66
  6. Step 6: Final answer
    x = 17,673.40

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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.