Home / 19,854.02-27,399.20-11,470.52

Finding the Fourth Proportional to 19,854.02, 27,399.20 and 11,470.52

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Solution

The fourth proportional to 19,854.02, 27,399.20 and 11,470.52 is: 15,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,854.02 : 27,399.20 = 11,470.52 : x
  2. Step 2: Convert to fraction form
    19,854.02/27,399.20 = 11,470.52/x
  3. Step 3: Cross multiply
    19,854.02x = 27,399.20 × 11,470.52
  4. Step 4: Simplify right side
    19,854.02x = 314,283,014.23
  5. Step 5: Solve for x
    x = 314,283,014.23/19,854.02
  6. Step 6: Final answer
    x = 15,829.69

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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.