Home / 13,147.02-19,709.63-5,244.66

Finding the Fourth Proportional to 13,147.02, 19,709.63 and 5,244.66

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Solution

The fourth proportional to 13,147.02, 19,709.63 and 5,244.66 is: 7,862.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.02 : 19,709.63 = 5,244.66 : x
  2. Step 2: Convert to fraction form
    13,147.02/19,709.63 = 5,244.66/x
  3. Step 3: Cross multiply
    13,147.02x = 19,709.63 × 5,244.66
  4. Step 4: Simplify right side
    13,147.02x = 103,370,308.08
  5. Step 5: Solve for x
    x = 103,370,308.08/13,147.02
  6. Step 6: Final answer
    x = 7,862.64

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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.