Home / 13,152.09-19,729.16-4,386.99

Finding the Fourth Proportional to 13,152.09, 19,729.16 and 4,386.99

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Solution

The fourth proportional to 13,152.09, 19,729.16 and 4,386.99 is: 6,580.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.09 : 19,729.16 = 4,386.99 : x
  2. Step 2: Convert to fraction form
    13,152.09/19,729.16 = 4,386.99/x
  3. Step 3: Cross multiply
    13,152.09x = 19,729.16 × 4,386.99
  4. Step 4: Simplify right side
    13,152.09x = 86,551,605.69
  5. Step 5: Solve for x
    x = 86,551,605.69/13,152.09
  6. Step 6: Final answer
    x = 6,580.83

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