Home / 13,289.12-19,938.27-5,898.75

Finding the Fourth Proportional to 13,289.12, 19,938.27 and 5,898.75

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Solution

The fourth proportional to 13,289.12, 19,938.27 and 5,898.75 is: 8,850.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,289.12 : 19,938.27 = 5,898.75 : x
  2. Step 2: Convert to fraction form
    13,289.12/19,938.27 = 5,898.75/x
  3. Step 3: Cross multiply
    13,289.12x = 19,938.27 × 5,898.75
  4. Step 4: Simplify right side
    13,289.12x = 117,610,870.16
  5. Step 5: Solve for x
    x = 117,610,870.16/13,289.12
  6. Step 6: Final answer
    x = 8,850.17

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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.