Home / 13,301.53-19,948.65-4,986.07

Finding the Fourth Proportional to 13,301.53, 19,948.65 and 4,986.07

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Solution

The fourth proportional to 13,301.53, 19,948.65 and 4,986.07 is: 7,477.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.53 : 19,948.65 = 4,986.07 : x
  2. Step 2: Convert to fraction form
    13,301.53/19,948.65 = 4,986.07/x
  3. Step 3: Cross multiply
    13,301.53x = 19,948.65 × 4,986.07
  4. Step 4: Simplify right side
    13,301.53x = 99,465,365.31
  5. Step 5: Solve for x
    x = 99,465,365.31/13,301.53
  6. Step 6: Final answer
    x = 7,477.74

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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.