Home / 19,687.02-27,167.71-10,734.60

Finding the Fourth Proportional to 19,687.02, 27,167.71 and 10,734.60

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Solution

The fourth proportional to 19,687.02, 27,167.71 and 10,734.60 is: 14,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.02 : 27,167.71 = 10,734.60 : x
  2. Step 2: Convert to fraction form
    19,687.02/27,167.71 = 10,734.60/x
  3. Step 3: Cross multiply
    19,687.02x = 27,167.71 × 10,734.60
  4. Step 4: Simplify right side
    19,687.02x = 291,634,499.77
  5. Step 5: Solve for x
    x = 291,634,499.77/19,687.02
  6. Step 6: Final answer
    x = 14,813.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.