Home / 38,583.14-57,875.20-13,605.67

Finding the Fourth Proportional to 38,583.14, 57,875.20 and 13,605.67

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Solution

The fourth proportional to 38,583.14, 57,875.20 and 13,605.67 is: 20,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.14 : 57,875.20 = 13,605.67 : x
  2. Step 2: Convert to fraction form
    38,583.14/57,875.20 = 13,605.67/x
  3. Step 3: Cross multiply
    38,583.14x = 57,875.20 × 13,605.67
  4. Step 4: Simplify right side
    38,583.14x = 787,430,804.36
  5. Step 5: Solve for x
    x = 787,430,804.36/38,583.14
  6. Step 6: Final answer
    x = 20,408.68

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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.