Home / 13,010.66-19,513.76-4,689.02

Finding the Fourth Proportional to 13,010.66, 19,513.76 and 4,689.02

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Solution

The fourth proportional to 13,010.66, 19,513.76 and 4,689.02 is: 7,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.66 : 19,513.76 = 4,689.02 : x
  2. Step 2: Convert to fraction form
    13,010.66/19,513.76 = 4,689.02/x
  3. Step 3: Cross multiply
    13,010.66x = 19,513.76 × 4,689.02
  4. Step 4: Simplify right side
    13,010.66x = 91,500,325.07
  5. Step 5: Solve for x
    x = 91,500,325.07/13,010.66
  6. Step 6: Final answer
    x = 7,032.72

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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.