Home / 19,629.40-29,434.02-5,776.60

Finding the Fourth Proportional to 19,629.40, 29,434.02 and 5,776.60

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Solution

The fourth proportional to 19,629.40, 29,434.02 and 5,776.60 is: 8,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.40 : 29,434.02 = 5,776.60 : x
  2. Step 2: Convert to fraction form
    19,629.40/29,434.02 = 5,776.60/x
  3. Step 3: Cross multiply
    19,629.40x = 29,434.02 × 5,776.60
  4. Step 4: Simplify right side
    19,629.40x = 170,028,559.93
  5. Step 5: Solve for x
    x = 170,028,559.93/19,629.40
  6. Step 6: Final answer
    x = 8,661.93

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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.