Home / 19,558.02-26,989.56-11,174.52

Finding the Fourth Proportional to 19,558.02, 26,989.56 and 11,174.52

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Solution

The fourth proportional to 19,558.02, 26,989.56 and 11,174.52 is: 15,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.02 : 26,989.56 = 11,174.52 : x
  2. Step 2: Convert to fraction form
    19,558.02/26,989.56 = 11,174.52/x
  3. Step 3: Cross multiply
    19,558.02x = 26,989.56 × 11,174.52
  4. Step 4: Simplify right side
    19,558.02x = 301,595,378.01
  5. Step 5: Solve for x
    x = 301,595,378.01/19,558.02
  6. Step 6: Final answer
    x = 15,420.55

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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.