Home / 38,590.81-57,885.60-12,295.37

Finding the Fourth Proportional to 38,590.81, 57,885.60 and 12,295.37

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Solution

The fourth proportional to 38,590.81, 57,885.60 and 12,295.37 is: 18,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.81 : 57,885.60 = 12,295.37 : x
  2. Step 2: Convert to fraction form
    38,590.81/57,885.60 = 12,295.37/x
  3. Step 3: Cross multiply
    38,590.81x = 57,885.60 × 12,295.37
  4. Step 4: Simplify right side
    38,590.81x = 711,724,869.67
  5. Step 5: Solve for x
    x = 711,724,869.67/38,590.81
  6. Step 6: Final answer
    x = 18,442.86

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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.