Home / 19,537.02-29,305.52-13,719.60

Finding the Fourth Proportional to 19,537.02, 29,305.52 and 13,719.60

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Solution

The fourth proportional to 19,537.02, 29,305.52 and 13,719.60 is: 20,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.02 : 29,305.52 = 13,719.60 : x
  2. Step 2: Convert to fraction form
    19,537.02/29,305.52 = 13,719.60/x
  3. Step 3: Cross multiply
    19,537.02x = 29,305.52 × 13,719.60
  4. Step 4: Simplify right side
    19,537.02x = 402,060,012.19
  5. Step 5: Solve for x
    x = 402,060,012.19/19,537.02
  6. Step 6: Final answer
    x = 20,579.39

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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.