Home / 22,807.98-31,475.07-12,736.80

Finding the Fourth Proportional to 22,807.98, 31,475.07 and 12,736.80

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Solution

The fourth proportional to 22,807.98, 31,475.07 and 12,736.80 is: 17,576.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,807.98 : 31,475.07 = 12,736.80 : x
  2. Step 2: Convert to fraction form
    22,807.98/31,475.07 = 12,736.80/x
  3. Step 3: Cross multiply
    22,807.98x = 31,475.07 × 12,736.80
  4. Step 4: Simplify right side
    22,807.98x = 400,891,636.66
  5. Step 5: Solve for x
    x = 400,891,636.66/22,807.98
  6. Step 6: Final answer
    x = 17,576.82

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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.