Home / 22,653.98-31,257.44-13,701.30

Finding the Fourth Proportional to 22,653.98, 31,257.44 and 13,701.30

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Solution

The fourth proportional to 22,653.98, 31,257.44 and 13,701.30 is: 18,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,653.98 : 31,257.44 = 13,701.30 : x
  2. Step 2: Convert to fraction form
    22,653.98/31,257.44 = 13,701.30/x
  3. Step 3: Cross multiply
    22,653.98x = 31,257.44 × 13,701.30
  4. Step 4: Simplify right side
    22,653.98x = 428,267,494.17
  5. Step 5: Solve for x
    x = 428,267,494.17/22,653.98
  6. Step 6: Final answer
    x = 18,904.74

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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.