Home / 22,855.55-31,538.70-13,295.63

Finding the Fourth Proportional to 22,855.55, 31,538.70 and 13,295.63

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Solution

The fourth proportional to 22,855.55, 31,538.70 and 13,295.63 is: 18,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,855.55 : 31,538.70 = 13,295.63 : x
  2. Step 2: Convert to fraction form
    22,855.55/31,538.70 = 13,295.63/x
  3. Step 3: Cross multiply
    22,855.55x = 31,538.70 × 13,295.63
  4. Step 4: Simplify right side
    22,855.55x = 419,326,885.88
  5. Step 5: Solve for x
    x = 419,326,885.88/22,855.55
  6. Step 6: Final answer
    x = 18,346.83

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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.