Home / 49,525.76-74,286.72-12,590.72

Finding the Fourth Proportional to 49,525.76, 74,286.72 and 12,590.72

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Solution

The fourth proportional to 49,525.76, 74,286.72 and 12,590.72 is: 18,885.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,525.76 : 74,286.72 = 12,590.72 : x
  2. Step 2: Convert to fraction form
    49,525.76/74,286.72 = 12,590.72/x
  3. Step 3: Cross multiply
    49,525.76x = 74,286.72 × 12,590.72
  4. Step 4: Simplify right side
    49,525.76x = 935,323,291.24
  5. Step 5: Solve for x
    x = 935,323,291.24/49,525.76
  6. Step 6: Final answer
    x = 18,885.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.